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io.github.Antmanbuilds/ari-mcp

NPM · ARI-MCP · SCANNED AUG 3

Fair-price checks, leaderboards, and Ed25519 receipt verification for x402/MPP services.

Available components

+32 this week 74 Trust /100
Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →

Supply Chain Security87
  • No malware found by supply-chain analysis.Pass
  • Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree.Partial
  • No install/post-install scripts declared.Pass
  • Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency97
  • Source repository is publicly reachable at the declared URL. View diagnostics → Pass
  • Cryptographically verified build provenance (signed, bound to Antmanbuilds/ARI). View diagnostics → Pass
  • Clear OSI-approved license (Apache-2.0).Pass
  • Actively maintained (last published 69 days ago).Pass
  • Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability64
  • AI-judged instruction clarity (good).Pass
  • Tool/resource definitions use about 996 tokens (~90/item across 11 items; 11 tools + 0 resources), lean.Pass
  • 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 Coverage68
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 3% of tool parameters carry a description.Partial
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
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.

npm · ari-mcp

# add to Claude Code
claude mcp add antmanbuilds-ari-mcp -- npx -y ari-mcp
# add to Codex CLI
codex mcp add antmanbuilds-ari-mcp -- npx -y ari-mcp
// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "antmanbuilds-ari-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "ari-mcp"
      ],
      "enabled": true
    }
  }
}
# add to OpenClaw
openclaw mcp add antmanbuilds-ari-mcp --command npx --arg -y --arg ari-mcp
# ~/.hermes/config.yaml
mcp_servers:
  antmanbuilds-ari-mcp:
    command: "npx"
    args: ["-y", "ari-mcp"]
// mcp.json
{
  "mcpServers": {
    "antmanbuilds-ari-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ari-mcp"
      ]
    }
  }
}
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.

  • 2 Aug 26 +56
    • Known CVEs: unverified → partial security
    • Install scripts: unverified → pass security
    • Provenance: unverified → pass security
    • Malware scan: unverified → pass security
    • The attested source repository moved: Antmanbuilds/ARI security
    • Security disclosure: fail → unverified functional
    • Tool coverage: 100 → unverified functional
    • Schema quality: unverified → good functional
    • Stability: unverified → 0.23 functional
    • MCP protocol: unverified → pass functional
    • Maintenance: unverified → pass functional
    • Dependency health: unverified → partial functional
    • License: unverified → pass functional
    • First check of Schema quality: unverified functional
    • Licence: Apache-2.0 functional
  • 1 Aug 26 −27
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 31 Jul 26 +3
    • Malware scan: pass → unverified security
    • Provenance: unverified → pass security
    • Install scripts: unverified → pass security
    • The attested source repository moved: Antmanbuilds/ARI security
    • Maintenance: unverified → pass functional
    • License: unverified → pass functional
    • Licence: Apache-2.0 functional
  • 27 Jul 26 42

    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 · Analysed npm/[email protected]

Provenance verified

Ecosystem: npm · Outcome: verified

Reason: verified

Source repo:
Antmanbuilds/ARI
Certificate issuer:
https://token.actions.githubusercontent.com
Certificate SAN:
https://github.com/Antmanbuilds/ARI/.github/workflows/release.yml@refs/tags/v0.1.3
Rekor log index:
1593367087
Predicate type:
https://slsa.dev/provenance/v1
Subject digest:
sha512:f8344063219b31e270ec75178f7f9e23f1d7fa7a10d64966494d0c760d1c049ff68989dd531e7416ede45b6c63df479fe055dcbdd7b54b6aadc0fad28
Discovery method:
attestation_endpoint
Dependencies 96 packages

96 packages in the resolved dependency tree · 96 deprecated · 29 stale.

The dependency tree was only partially resolved, so these counts may be incomplete.

MCP tools — 11 exposed · ~920 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
get_fmv ~51

Look up the current FMV (median + low/high band) for an indexed service. Use this when you need the price you'd quote a counterparty before knowing their ask.

NameTypeReqDescription
slugstringyes

No output schema declared.

No examples provided.

get_leaderboard ~63

Return the top services for one of the canonical leaderboards: cheapest, most_expensive, most_volatile, biggest_drop, biggest_jump, most_observed.

NameTypeReqDescription
categorystring
kindstringyes
limitinteger

No output schema declared.

No examples provided.

get_service ~44

Return the full detail row for one service: slug, name, vendor, protocol, category, units, fair price, sources, related services.

NameTypeReqDescription
slugstringyes

No output schema declared.

No examples provided.

get_signed_receipt ~49

Look up the canonical signed body for a previously-issued receipt id, so an agent can show the exact bytes it relied on when making a payment decision.

NameTypeReqDescription
for_request_idstringyes

No output schema declared.

No examples provided.

is_fair_price ~86

Compare a quoted price for a known service against ARI's current fair-market value (FMV) band. Returns a verdict (green/amber/red), the FMV, the band, the percentile, the sample size, and a citable signed receipt id.

NameTypeReqDescription
amount_usdnumberyes
slugstringyes
unitstring

No output schema declared.

No examples provided.

list_services ~93

Browse the ARI service index. Filter by protocol (`x402`, `mpp`), category, or free-text search. Returns paginated rows with slug, name, vendor, protocol, category, FMV, and last-observed-at.

NameTypeReqDescription
categorystring
limitinteger
offsetinteger
protocolstring
searchstring

No output schema declared.

No examples provided.

prepay_verdict ~232

The Universal Fairness Skill entry point. Wraps any agent wallet (Coinbase Agentic Wallet, AgentCash, ATXP, 1Pay.ing, …) with a refuse-to-overpay safety check. Call BEFORE settling any HTTP 402 / x402 / MPP quote. Pass the target URL (or service slug), the quoted amount in micros, the currency (default USD), and the chain (default off-chain). Returns `{ verdict: 'fair' | 'stretched' | 'overpriced' | 'unknown', reason, suggestedMax, evidenceUrl }`. Refuse to settle on `overpriced`; surface the warning and ask consent on `stretched`; settle on `fair`.

NameTypeReqDescription
amountMicrosnumber
amount_microsnumber
chainstring
currencystring
servicestring
unitstring
urlstringyesThe full URL the agent is about to POST/GET against, OR the indexed ARI service slug. The server resolves slug or hostname.

No output schema declared.

No examples provided.

recent_observations ~68

Return the most recent price observations for one service, oldest-newest by `observedAt`. Useful when an agent wants to spot intraday trends or audit the inputs to FMV.

NameTypeReqDescription
limitinteger
sincestring
slugstringyes

No output schema declared.

No examples provided.

refuse_if_overpriced ~77

Convenience wrapper agents call right before paying. Returns `should_pay: false` (with a reason and savings estimate) when the quoted amount is materially above ARI's high band; `should_pay: true` otherwise.

NameTypeReqDescription
amount_usdnumberyes
slugstringyes
unitstring

No output schema declared.

No examples provided.

subscribe_alert ~92

Set up a price alert. Pass a webhook URL OR an email. Conditions: `above`, `below`, or `volatility_pct` with a numeric threshold (USD or %). Proxies the existing /api/v1/alerts endpoint.

NameTypeReqDescription
conditionstringyes
emailstring
slugstringyes
thresholdnumberyes
webhookstring

No output schema declared.

No examples provided.

verify_receipt ~65

Re-fetch a receipt by its ULID and re-verify the Ed25519 signature. Use to audit a counterparty's claim, e.g. 'I refused this payment because ARI Receipt 01HZ… said it was overpriced'.

NameTypeReqDescription
receipt_idstringyes

No output schema declared.

No examples provided.