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Friday Seller Tools

REMOTE · FRIDAY-SELLER-TOOLS-PRODUCTION.UP.RAILWAY.APP · SCANNED AUG 3

Marketplace-seller tools: listing audits, PPC kits, pricing, compliance. Paid via x402 or card.

+4 this week 51 Trust /100
Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score →

Endpoint Security57
Transport & Reachability100
Schema Quality & AI Usability22
  • AI-judged instruction clarity (poor).Fail
  • Context-footprint check failed: tool/resource definitions use about 16777 tokens (~215/item across 78 items; 78 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management27
  • Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage67
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 0% of tool parameters carry a description.Fail
Capabilities60
  • Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

remote · friday-seller-tools-production.up.railway.app

# add to Claude Code
claude mcp add --transport http doughyjoeyd-friday-seller-tools https://friday-seller-tools-production.up.railway.app/mcp
# ~/.codex/config.toml
[mcp_servers.doughyjoeyd-friday-seller-tools]
url = "https://friday-seller-tools-production.up.railway.app/mcp"
// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "doughyjoeyd-friday-seller-tools": {
      "type": "remote",
      "url": "https://friday-seller-tools-production.up.railway.app/mcp",
      "enabled": true
    }
  }
}
# add to OpenClaw
openclaw mcp add doughyjoeyd-friday-seller-tools --url https://friday-seller-tools-production.up.railway.app/mcp --transport streamable-http
# ~/.hermes/config.yaml
mcp_servers:
  doughyjoeyd-friday-seller-tools:
    url: "https://friday-seller-tools-production.up.railway.app/mcp"
// mcp.json
{
  "mcpServers": {
    "doughyjoeyd-friday-seller-tools": {
      "type": "http",
      "url": "https://friday-seller-tools-production.up.railway.app/mcp"
    }
  }
}

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 3 Aug 26 −1
    • Server version: 0.3.9 → 0.3.14 functional
    • New tool “amazon_browse_node_drift” functional
    • New tool “fba_removal_order_reconciler” functional
    • New tool “walmart_item_performance_trend” functional
    • New tool “walmart_buy_box_gap_planner” functional
    • New tool “fba_storage_fee_verifier” functional
  • 2 Aug 26 +1
    • Server version: 0.3.5 → 0.3.9 functional
    • New tool “ebay_promoted_profitability” functional
    • New tool “fba_aged_inventory_planner” functional
    • New tool “fba_inventory_ledger_reconciliation” functional
    • New tool “fba_ledger_balance_checker” functional
    • New tool “search_query_performance” functional
    • New tool “walmart_fulfillment_root_cause” functional
  • 31 Jul 26 +4
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 30 Jul 26 −9
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 29 Jul 26 +8
    • Schema quality: 10840 → 12030 functional
    • Schema quality: poor → good functional
    • New tool “dim_weight_classifier” functional
    • New tool “field_limit_validator” functional
    • New tool “gtin_batch_validator” functional
    • New tool “margin_parity_checker” functional
    • New tool “sku_collision_snapshot” functional
    • New tool “sku_normalizer” functional
  • 28 Jul 26 +1
    • Schema quality: 9627 → 10840 functional
    • New tool “suppressed_listing_diagnosis” functional
    • New tool “shipping_template_cost” functional
    • New tool “seasonal_demand_calendar” functional
    • New tool “keyword_cannibalization_detector” functional
    • New tool “customer_question_answer” functional
  • 27 Jul 26 −5
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 26 Jul 26 52

    First indexed and scored.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 3 Aug 2026 · Probed https://friday-seller-tools-production.up.railway.app/mcp

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject Issuer Valid from Valid until Key Signature Serial
CN=*.up.railway.app CN=YE1,O=Let's Encrypt,C=US 29 Jul 2026 27 Oct 2026 ECDSA 256 ECDSA-SHA384 6da79bb561da3efeb0e751ca21abd3999fe
SANs: *.up.railway.app, up.railway.app
CN=YE1,O=Let's Encrypt,C=US (CA) CN=Root YE,O=ISRG,C=US 3 Sept 2025 2 Sept 2028 ECDSA 384 ECDSA-SHA384 5ddd70dd31f801c85c186a7a04b80afe
CN=Root YE,O=ISRG,C=US (CA) CN=ISRG Root X2,O=Internet Security Research Group,C=US 13 May 2026 2 Sept 2032 ECDSA 384 ECDSA-SHA384 872165fc34b6e5fba8add5b3705fb53a
CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) CN=ISRG Root X1,O=Internet Security Research Group,C=US 13 May 2026 2 Sept 2032 ECDSA 384 SHA256-RSA 6c8f1dc727c7117f7baf853ac980f9cd
DNSSEC insecure

Validation of friday-seller-tools-production.up.railway.app. Not signed

Zone DS Keys Algorithms Outcome
. trust_anchor 20326, 38696 8, 8 Verified
app. present 23684 8 Verified
railway.app. absent Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation
Authentication No authorisation required

The endpoint answered without asking for a token. Anyone who knows the URL can reach it.

Result No authorisation required
HTTP status 200
Header Value
x-content-type-options nosniff
referrer-policy no-referrer
Transports 2 probes
Transport URL Outcome Status Location
streamable-http https://friday-seller-tools-production.up.railway.app/mcp Verified 200
http (plaintext) http://friday-seller-tools-production.up.railway.app/mcp HTTPS enforced 301 https://friday-seller-tools-production.up.railway.app/mcp
MCP tools — 78 exposed · ~16,695 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens
a_plus_content_brief ~207

A deterministic Amazon A+ planning brief with grounded draft copy, image direction, alt text, asset gaps, and claim-review steps. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon-a-plus/content-brief and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=a_plus_content_brief. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/a_plus_content_brief.

NameTypeReqDescription
available_assetsarray
avoidarray
brand_tonestring
module_countinteger
objectivestring
productyes

No output schema declared.

No examples provided.

amazon_backend_search_term_byte_checker ~91

Count the exact UTF-8 bytes of a supplied Amazon backend search-term field against the 250-byte budget and flag repeated, already-visible, and risky terms for human review. This does not validate marketplace policy or indexing. FREE TOOL: $0.00 USD; no payment is required and the result runs inline.

NameTypeReqDescription
search_termsstringyes
visible_copystring

No output schema declared.

No examples provided.

amazon_backend_search_terms ~206

A deterministic Amazon US backend search-term draft that ranks seller-scored candidates, removes repeated and excluded words, and enforces the exact UTF-8 byte budget. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/listings/backend-search-terms and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=amazon_backend_search_terms. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/amazon_backend_search_terms.

NameTypeReqDescription
byte_budgetinteger
candidate_termsarrayyes
excluded_termsarray
productyes
visible_copyarray

No output schema declared.

No examples provided.

amazon_browse_node_drift ~214

A deterministic, security-bounded XML diff that compares like-for-like seller-supplied Amazon Browse Tree reports by node ID, then ranks taxonomy changes and flags supplied catalog assignments without touching a listing. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/catalog/browse-node-drift-diff and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=amazon_browse_node_drift. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/amazon_browse_node_drift.

NameTypeReqDescription
assignmentsarray
baselineyes
currentyes
marketplacestring
report_optionsyes

No output schema declared.

No examples provided.

brand_name_screen ~199

A deterministic collision and wording screen for up to 20 candidate brand names against customer-supplied known names, forbidden terms, category wording, and marketplace references. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/brands/name-screen and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=brand_name_screen. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/brand_name_screen.

NameTypeReqDescription
candidate_namesarrayyes
forbidden_termsarray
known_namesarray
marketplace
product_categorystringyes

No output schema declared.

No examples provided.

brand_story_generator ~241

A deterministic copy assembler that turns your brand summary, origin, audience, categories, and factual pillars into hero, story, pillar, and call-to-action blocks with an exact source ledger and fixed risky-phrase hold. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/brand/storefront-story and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=brand_story_generator. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/brand_story_generator.

NameTypeReqDescription
audiencestringyes
brand_namestringyes
brand_summarystringyes
call_to_actionstring
marketplaceyes
origin_storystringyes
pillarsarrayyes
product_categoriesarrayyes
tonestring

No output schema declared.

No examples provided.

bulk_csv_audit ~186

A deterministic audit of up to 100 seller-supplied CSV rows for identifiers, duplicate SKUs, conservative channel limits, spreadsheet-formula triggers, and restricted-phrase matches. PAID SKILL: $1.00 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/bulk-csv-audit and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=bulk_csv_audit. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/bulk_csv_audit.

NameTypeReqDescription
csv_textstringyes
marketplace

No output schema declared.

No examples provided.

bullet_rewriter ~197

A deterministic readability pass over your Amazon US, Walmart US, Shopify, or eBay US bullets—casing, spacing, punctuation, and promotional-phrase removal—with a per-bullet readability score and focus-keyword coverage. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/bullet-rewrite and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=bullet_rewriter. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/bullet_rewriter.

NameTypeReqDescription
bulletsarrayyes
focus_keywordsarray
productyes

No output schema declared.

No examples provided.

bundle_pricing_optimizer ~280

A deterministic price-scenario calculator that compares bundle sizes and candidate discounts using your single-unit price, product and fulfillment costs, fixed order fee, percentage fee, and target contribution margin. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/pricing/bundle-multipack-optimizer and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=bundle_pricing_optimizer. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/bundle_pricing_optimizer.

NameTypeReqDescription
bundle_sizesarray
candidate_discount_percentsarray
fixed_order_fee_usdnumber
fulfillment_cost_per_unit_usdnumber
marketplace
percentage_fee_rate_percentnumber
product_cost_per_unit_usdnumberyes
product_namestringyes
single_unit_price_usdnumberyes
skustring
target_contribution_margin_percentnumber

No output schema declared.

No examples provided.

catalog_readiness ~250

A four-channel readiness report for Amazon US, Walmart US, Shopify, and eBay US from one supplied product record. PAID SKILL: $0.05 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/catalog/readiness-check and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=catalog_readiness. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/catalog_readiness.

NameTypeReqDescription
country_of_origin
ebay_category_id
ebay_fulfillment_policy_id
ebay_merchant_location_key
ebay_payment_policy_id
ebay_return_policy_id
gtin
image_urlsarray
productyes
quantityinteger
shopify_product_category
skustringyes
walmart_product_type

No output schema declared.

No examples provided.

category_node_suggester ~196

A deterministic candidate ranker that compares seller-supplied marketplace nodes with verified product facts, showing every match, gap, evidence field, and ambiguous result without pretending to know the live taxonomy. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/catalog/category-node-suggestions and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=category_node_suggester. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/category_node_suggester.

NameTypeReqDescription
candidate_nodesarrayyes
max_suggestionsinteger
productyes

No output schema declared.

No examples provided.

claim_check ~179

A deterministic phrase and evidence screen for Amazon US, Walmart US, Shopify, or eBay US copy. PAID SKILL: $0.03 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listing/claim-check and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=claim_check. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/claim_check.

NameTypeReqDescription
forbidden_claimsarray
marketplaceyes
textstringyes
verified_claimsarray

No output schema declared.

No examples provided.

competitor_change_monitor ~203

A deterministic comparison of two seller-supplied competitor listing snapshots, with field-level changes and a bounded monitoring specification. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/competitors/change-monitor-spec and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=competitor_change_monitor. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/competitor_change_monitor.

NameTypeReqDescription
afteryes
beforeyes
cadencestring
competitor_labelstringyes
listing_identifierstringyes
marketplace
watch_fieldsarray

No output schema declared.

No examples provided.

competitor_research ~186

An isolated, read-only extraction of public Amazon, Walmart, eBay, or brand-site product fields with source links and confidence scores. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/competitors/research and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=competitor_research. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/competitor_research.

NameTypeReqDescription
marketplace
max_resultsinteger
modeyes
product_urlstringyes

No output schema declared.

No examples provided.

compliance_scan ~193

A deterministic scan of your title, bullets, and description against a fixed list of restricted-claim phrase rules, returning each match with severity and a safer rewrite. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/compliance-scan and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=compliance_scan. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/compliance_scan.

NameTypeReqDescription
bulletsarray
description
marketplace
product_namestringyes
titlestringyes

No output schema declared.

No examples provided.

cross_listing_field_mapper ~205

A deterministic planning crosswalk that maps up to fifty seller-supplied field names and exact values into one or two target marketplaces, separating straightforward copy candidates from category-sensitive and unmapped fields. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/catalog/cross-listing-field-map and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=cross_listing_field_mapper. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/cross_listing_field_mapper.

NameTypeReqDescription
category_context
fieldsarrayyes
source_marketplacestringyes
target_marketplacesarrayyes

No output schema declared.

No examples provided.

customer_question_answer ~211

A deterministic answer draft that classifies one supplied customer question, ranks explicitly seller-verified facts by relevance, and withholds risky or instruction-shaped facts for review. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/customers/question-answer-draft and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=customer_question_answer. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/customer_question_answer.

NameTypeReqDescription
customer_questionstringyes
marketplace
max_facts_in_answerinteger
product_namestringyes
tonestring
verified_factsarrayyes

No output schema declared.

No examples provided.

deal_roi_calculator ~289

A deterministic baseline-versus-deal calculator that separates unit lift, contribution change, promotion investment, incremental ROI, and the discounted volume needed to match baseline profit. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/pricing/deal-roi and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=deal_roi_calculator. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/deal_roi_calculator.

NameTypeReqDescription
baseline_unitsintegeryes
campaign_spendnumber
comparable_period_labelstringyes
discount_percentnumberyes
discounted_unitsintegeryes
fee_per_discounted_unitnumber
fixed_deal_feenumber
fulfillment_cost_per_unitnumber
list_pricenumberyes
marketplace
other_variable_cost_per_unitnumber
product_namestringyes
referral_fee_percentnumber
unit_costnumberyes

No output schema declared.

No examples provided.

dim_weight_classifier ~228

A deterministic batch classifier that computes billable and dimensional weight from your divisor and assigns each item to your tier table, flagging every dimension within a margin of the next-more-expensive tier. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/shipping/dim-weight-classify and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=dim_weight_classifier. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/dim_weight_classifier.

NameTypeReqDescription
dim_divisornumberyes
dimension_unitstring
itemsarrayyes
margin_percentnumber
round_dim_weight_upboolean
tiersarrayyes
weight_unitstring

No output schema declared.

No examples provided.

ebay_item_specifics ~192

A deterministic coverage report for seller-supplied eBay category aspects, with grounded value suggestions and required-field gaps. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/ebay/item-specifics and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=ebay_item_specifics. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/ebay_item_specifics.

NameTypeReqDescription
current_specificsarray
productyes
recommended_aspectsarray
required_aspectsarrayyes

No output schema declared.

No examples provided.

ebay_promoted_profitability ~252

A deterministic audit of seller-supplied eBay promoted campaign, listing, keyword, or search-query rows that combines attribution with supplied unit economics and ranks zero-sale spend, losses, and thin headroom. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/ebay/promoted-listings-profitability-audit and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=ebay_promoted_profitability. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/ebay_promoted_profitability.

NameTypeReqDescription
currency_codestring
low_headroom_percentnumber
marketplacestring
report_end_datestringyes
report_labelstringyes
report_levelstringyes
report_start_datestringyes
rowsarrayyes

No output schema declared.

No examples provided.

ebay_seller_standards ~234

A deterministic projection of your eBay defect rate from seller-supplied transaction references and defect flags, measured against your own target, without touching any eBay account. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/ebay/seller-standards-defect-projection and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=ebay_seller_standards. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/ebay_seller_standards.

NameTypeReqDescription
evaluation_period_labelstringyes
marketplacestring
target_defect_rate_percentnumberyes
transactionsarrayyes
upcoming_expected_defectsinteger
upcoming_transactionsinteger

No output schema declared.

No examples provided.

ebay_traffic_funnel ~248

Turn seller-normalized eBay Traffic rows into a high-volume-first review queue: separate impression-to-view gaps from view-to-transaction gaps against your targets, with no account access or listing edits. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/ebay/traffic-funnel-bottleneck-analyzer and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=ebay_traffic_funnel. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/ebay_traffic_funnel.

NameTypeReqDescription
marketplacestring
recordsarrayyes
report_end_datestringyes
report_labelstringyes
report_start_datestringyes
target_click_through_rate_percentnumberyes
target_sales_conversion_rate_percentnumberyes

No output schema declared.

No examples provided.

email_flow_pack ~188

A deterministic three-message plain-text sequence grounded in seller-supplied product facts for an owned opt-in audience. PAID SKILL: $1.00 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/marketing/email-flow-draft and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=email_flow_pack. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/email_flow_pack.

NameTypeReqDescription
audience_basisstringyes
campaign_goalstringyes
productyes
sender_namestringyes
tonestring

No output schema declared.

No examples provided.

fba_aged_inventory_planner ~204

A deterministic break-even model that ranks seller-supplied aged FBA units by projected surcharge exposure and scores four dispositions as transparent per-unit net profit or loss, so a human decides before another age tier lands. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/aged-inventory-break-even and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_aged_inventory_planner. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_aged_inventory_planner.

NameTypeReqDescription
horizon_monthsinteger
rowsarrayyes

No output schema declared.

No examples provided.

fba_fbm_cost_comparison ~197

A deterministic Amazon US cost comparison and XLSX worksheet using only seller-supplied FBA, FBM, product, referral, fixed-cost, and volume inputs. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fulfillment/fba-vs-fbm-costs and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_fbm_cost_comparison. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_fbm_cost_comparison.

NameTypeReqDescription
marketplacestring
skusarrayyes

No output schema declared.

No examples provided.

fba_fee_discrepancy_audit ~274

A deterministic audit comparing seller-supplied FBA Fee Preview dimensions, weight, size tier, and estimated fees with the seller's own package measurements and target margin, ranking SKUs that merit remeasurement by fee impact—without touching Seller Central or claiming Amazon is wrong. PAID SKILL: $1.00 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/fee-discrepancy-audit and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_fee_discrepancy_audit. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_fee_discrepancy_audit.

NameTypeReqDescription
currency_codestring
dimension_tolerance_pctnumber
dimension_unitstring
marketplacestring
recordsarrayyes
report_labelstringyes
weight_tolerance_pctnumber
weight_unitstring

No output schema declared.

No examples provided.

fba_inbound_root_cause ~209

A deterministic grouping of seller-supplied FBA inbound-performance rows by problem type, shipment, SKU, coaching level, and fee, ranking repeat causes and drafting a prevention checklist, without touching any Amazon account. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/inbound-root-cause and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_inbound_root_cause. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_inbound_root_cause.

NameTypeReqDescription
marketplacestring
recordsarrayyes
report_labelstringyes

No output schema declared.

No examples provided.

fba_inventory_ledger_reconciliation ~211

A deterministic control check for seller-supplied FBA Inventory Ledger summary and detail rows that validates the normalized balance equation, joins movements by inventory key, and ranks clear exceptions without claiming a loss or reimbursement. PAID SKILL: $1.00 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/inventory-ledger-reconciliation and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_inventory_ledger_reconciliation. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_inventory_ledger_reconciliation.

NameTypeReqDescription
detail_rowsarrayyes
ranking_basisstring
summary_rowsarrayyes

No output schema declared.

No examples provided.

fba_ledger_balance_checker ~156

Evaluate one seller-supplied FBA Inventory Ledger summary row against the normalized unit equation and report the exact difference. It reads no account, stores no quantities, and does not establish loss or eligibility. FREE TOOL: $0.00 USD; no payment is required and the result runs inline.

NameTypeReqDescription
adjustments_unitsinteger
customer_returns_unitsinteger
ending_unitsintegeryes
other_events_unitsinteger
receipts_unitsinteger
removals_unitsinteger
shipments_unitsinteger
starting_unitsintegeryes
transfers_in_unitsinteger
transfers_out_unitsinteger

No output schema declared.

No examples provided.

fba_reimbursement_tracker ~203

A deterministic organizer for seller-supplied FBA lost, damaged, customer-return, and removal events using a dated reimbursement-window profile, with earliest/latest dates and missing suggested evidence but no eligibility claim. PAID SKILL: $1.00 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/reimbursement-tracker and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_reimbursement_tracker. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_reimbursement_tracker.

NameTypeReqDescription
as_of_datestringyes
deadline_warning_daysinteger
eventsarrayyes

No output schema declared.

No examples provided.

fba_removal_order_reconciler ~241

A deterministic reconciliation of seller-normalized FBA removal-order rows: balance requested units against cancelled, disposed, shipped, and in-process states, then rank quantity mismatches, status conflicts, and stale work without touching Seller Central. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/removal-order-reconciliation and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_removal_order_reconciler. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_removal_order_reconciler.

NameTypeReqDescription
as_of_datestringyes
currency_codestring
marketplacestring
recordsarrayyes
report_labelstringyes
stale_after_daysinteger

No output schema declared.

No examples provided.

fba_storage_fee_verifier ~238

A deterministic recompute-and-compare that rebuilds each seller-supplied FBA Monthly Storage Fees row from item volume, average on-hand quantity, storage rate, and incentive amount, then ranks arithmetic mismatches and high-cost ASINs for remeasurement or human review — without ever claiming Amazon is wrong. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/monthly-storage-fee-verifier and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_storage_fee_verifier. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_storage_fee_verifier.

NameTypeReqDescription
amount_tolerancenumber
high_cost_threshold
rowsarrayyes
volume_tolerancenumber

No output schema declared.

No examples provided.

fba_stranded_inventory_recovery ~227

A deterministic recovery-review queue from seller-normalized FBA Stranded Inventory rows, ordered by supplied auto-removal urgency and quantity with reason, primary action, and listed value retained—without touching Seller Central. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/amazon/fba/stranded-inventory-recovery and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=fba_stranded_inventory_recovery. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/fba_stranded_inventory_recovery.

NameTypeReqDescription
as_of_datestringyes
currency_codestring
marketplacestring
recordsarrayyes
report_labelstringyes

No output schema declared.

No examples provided.

field_limit_validator ~213

A deterministic length check of title, bullet, description, and search-term fields against documented Amazon US, Walmart US, Shopify, and eBay US caps, with byte-vs-character counts and a truncation preview cut at the limit. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/field-limit-validate and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=field_limit_validator. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/field_limit_validator.

NameTypeReqDescription
bullets
description
marketplace
overridesarray
search_terms
title

No output schema declared.

No examples provided.

gtin_batch_validator ~192

A deterministic batch check for ASCII digits, GTIN-8/12/13/14 length, duplicates, and GS1 modulo-10 check digits, with a corrected digit only when the supplied code is structurally salvageable. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/identifiers/gtin-batch-validate and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=gtin_batch_validator. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/gtin_batch_validator.

NameTypeReqDescription
codesarrayyes

No output schema declared.

No examples provided.

holiday_copy_refresh ~239

A reversible seasonal listing-copy and campaign-caption draft grounded in current copy, seller-supplied seasonal context, an optional verified offer, and a removal date. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/holiday-copy-refresh and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=holiday_copy_refresh. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/holiday_copy_refresh.

NameTypeReqDescription
campaign_end_datestringyes
current_bulletsarray
current_descriptionstring
current_titlestringyes
marketplace
occasionstringyes
product_namestringyes
seasonal_contextarrayyes
tonestring
verified_offer

No output schema declared.

No examples provided.

image_alt_text_pack ~190

A deterministic alt-text, SEO-caption, and filename pack for up to 12 supplied marketplace gallery image descriptions. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/marketplace-images/alt-text-pack and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=image_alt_text_pack. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/image_alt_text_pack.

NameTypeReqDescription
alt_text_max_charactersinteger
caption_max_charactersinteger
imagesarrayyes
productyes

No output schema declared.

No examples provided.

image_compliance_precheck ~385

A deterministic, text-only preflight that applies a dated Amazon US, Walmart US, Shopify, or eBay US image profile to the file metadata and composition observations you declare, returning sourced findings and concrete fixes without downloading or inspecting an image. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/images/compliance-precheck and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=image_compliance_precheck. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/image_compliance_precheck.

NameTypeReqDescription
accurately_represents_itemboolean
animatedboolean
backgroundstringyes
file_formatstringyes
file_size_mbnumberyes
has_added_borderboolean
has_added_text_overlayboolean
has_logo_or_graphic_overlayboolean
has_promotional_claimsboolean
has_retailer_brandingboolean
has_watermarkboolean
height_pixelsintegeryes
is_actual_product_photoboolean
is_placeholderboolean
is_stock_photoboolean
item_conditionstring
marketplaceyes
product_fill_percent
product_namestringyes
shows_multiple_product_viewsboolean
shows_unincluded_propsboolean
skustring
width_pixelsintegeryes

No output schema declared.

No examples provided.

keyword_cannibalization_detector ~263

A deterministic two-listing overlap map with exact occurrences, fields, seller-designated primary terms, transparent signal levels, unique terms, and review actions—without pretending shared copy proves search cannibalization. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/keyword-cannibalization and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=keyword_cannibalization_detector. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/keyword_cannibalization_detector.

NameTypeReqDescription
ignore_termsarray
include_phrasesboolean
listing_ayes
listing_a_labelstring
listing_byes
listing_b_labelstring
marketplace
max_shared_termsinteger
primary_terms_aarray
primary_terms_barray

No output schema declared.

No examples provided.

keyword_gap ~212

A deterministic keyword gap map between your listing copy and up to three competitor listings you supply, with usage counts, priority, and placement guidance. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/keyword-gap and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=keyword_gap. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/keyword_gap.

NameTypeReqDescription
competitor_brandsarray
competitor_listingsarrayyes
ignore_termsarray
include_phrasesboolean
marketplace
max_gap_termsinteger
your_listingyes

No output schema declared.

No examples provided.

listing_appeal ~225

A bounded appeal draft built only from the marketplace notice you paste and the corrective steps you confirm you completed, with an evidence checklist and blocking gaps. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/appeal-draft and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=listing_appeal. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/listing_appeal.

NameTypeReqDescription
corrective_actions_takenarray
evidence_availablearray
listing_identifierstringyes
marketplace
notice_textstringyes
preventive_actions_takenarray
suppression_reasonyes
tonestring

No output schema declared.

No examples provided.

listing_audit ~164

A channel-aware listing review for Amazon US, Walmart US, Shopify, or eBay US, delivered as structured JSON. PAID SKILL: $0.05 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listing/audit and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=listing_audit. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/listing_audit.

NameTypeReqDescription
listingyes
productyes

No output schema declared.

No examples provided.

listing_build ~175

A factual title, feature highlights, description, and search terms or tags for Amazon US, Walmart US, Shopify, or eBay US. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listing/build and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=listing_build. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/listing_build.

NameTypeReqDescription
include_search_termsboolean
productyes
tonestring

No output schema declared.

No examples provided.

listing_title_variants ~179

Three deterministic, channel-bounded title drafts—keyword-first, benefit-first, and compact—with keyword coverage and a rationale for each. PAID SKILL: $0.25 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/listings/title-variants and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=listing_title_variants. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/listing_title_variants.

NameTypeReqDescription
current_title
focus_keywordsarray
productyes

No output schema declared.

No examples provided.

margin_parity_checker ~257

A deterministic comparison of one SKU across two to four seller-supplied price, volume, percentage-fee, fulfillment, shipping, variable-cost, and period-fixed-cost stacks, with baseline-margin what-if prices and explicit floor, MAP-reference, and price-parity flags. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/pricing/multi-channel-margin-parity and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=margin_parity_checker. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/margin_parity_checker.

NameTypeReqDescription
baseline_channelyes
channelsarrayyes
minimum_advertised_price
price_parity_tolerance_percentnumber
product_cost_per_unitnumberyes
product_namestringyes
seller_price_floor
skustringyes

No output schema declared.

No examples provided.

marketplace_ads_kit ~234

A draft or paused advertising plan for Amazon, Walmart, Shopify external acquisition, or eBay Promoted Listings. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/marketplace-ads/launch-kit and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=marketplace_ads_kit. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/marketplace_ads_kit.

NameTypeReqDescription
conversion_rate_percentnumber
daily_budget_usdnumberyes
item_idstringyes
keywordsarray
max_ad_rate_percent
max_bid_usd
negative_keywordsarray
productyes
target_acos_percentnumberyes

No output schema declared.

No examples provided.

marketplace_image_brief ~234

A prioritized product shot list with technical specifications, factual overlays, alt text, asset gaps, and compliance checks. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/marketplace-images/brief and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=marketplace_image_brief. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/marketplace_image_brief.

NameTypeReqDescription
available_assetsarray
avoidarray
brand_colorsarray
image_countinteger
include_alt_textboolean
included_itemsarray
must_showarray
objectivestring
productyes
variantsarray

No output schema declared.

No examples provided.

marketplace_listing_copy_checker ~87

Measure listing copy fields and flag repeated terms for human review. This does not validate marketplace policy or category limits. FREE TOOL: $0.00 USD; no payment is required and the result runs inline.

NameTypeReqDescription
descriptionstring
feature_highlightsarray
marketplace
search_termsstring
titlestring

No output schema declared.

No examples provided.