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io.github.meltingpixelsai/zero-core-budget

REMOTE · BUDGET.RUGSLAYER.COM · 2 COMPONENTS · SCANNED SEP 25

Agent spending mgmt, budget tracking, ROI. Zero Core Budget.

0 this week 76 Trust /100
Trust breakdown (7 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 → Why this is hard to score →

Endpoint Security57
Transport & Reachability100
Schema Quality & AI Usability69
  • AI-judged instruction clarity (good).Pass
  • Tool/resource definitions use about 441 tokens (~73/item across 6 items; 6 tools + 0 resources), lean.Pass
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
  • No destabilizing schema changes in the last 30 days.Pass
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Tool Safety100
  • No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
  • We read all 6 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
  • An AI judge read all 6 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities60
  • Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
Install

How do I install the io.github.meltingpixelsai/zero-core-budget MCP server?

io.github.meltingpixelsai/zero-core-budget is a hosted endpoint at https://budget.rugslayer.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

remote · budget.rugslayer.com

# add to Claude Code
claude mcp add --transport http meltingpixelsai-zero-core-budget 'https://budget.rugslayer.com/mcp'
// .cursor/mcp.json
{
  "mcpServers": {
    "meltingpixelsai-zero-core-budget": {
      "url": "https://budget.rugslayer.com/mcp"
    }
  }
}
// .vscode/mcp.json
{
  "servers": {
    "meltingpixelsai-zero-core-budget": {
      "type": "http",
      "url": "https://budget.rugslayer.com/mcp"
    }
  }
}
# ~/.codex/config.toml
[mcp_servers.meltingpixelsai-zero-core-budget]
url = "https://budget.rugslayer.com/mcp"
// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "meltingpixelsai-zero-core-budget": {
      "type": "remote",
      "url": "https://budget.rugslayer.com/mcp",
      "enabled": true
    }
  }
}
# add to OpenClaw
openclaw mcp add meltingpixelsai-zero-core-budget --url 'https://budget.rugslayer.com/mcp' --transport streamable-http
# ~/.hermes/config.yaml
mcp_servers:
  meltingpixelsai-zero-core-budget:
    url: "https://budget.rugslayer.com/mcp"
// ~/.netclaw/config/netclaw.json
{
  "McpServers": {
    "meltingpixelsai-zero-core-budget": {
      "Transport": "http",
      "Url": "https://budget.rugslayer.com/mcp"
    }
  }
}
# add to Vellum
assistant mcp add meltingpixelsai-zero-core-budget -t streamable-http -u 'https://budget.rugslayer.com/mcp'
// mcp.json
{
  "mcpServers": {
    "meltingpixelsai-zero-core-budget": {
      "type": "http",
      "url": "https://budget.rugslayer.com/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.

  • 25 Sept 26 0
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 26 Aug 26 0
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 25 Aug 26 0
    • Stability: 0.97 → pass security
  • 11 Aug 26 0
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 6 Aug 26 0
    • Authorization: Authorisation not fully verified: no authorisation is required to call this server, and 6 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. security
    • Schema quality: unverified → fail ▼ functional
    • Tool coverage: unverified → 100 ▲ functional
    • Schema quality: unverified → good ▲ functional
    • Schema quality: unverified → pass ▲ functional
    • First check of Tool coverage: 100 functional
    • New tool “register_agent” functional
    • New tool “list_tools” functional
    • New tool “report_spend” functional
    • New tool “health” functional
    • New tool “get_spending_report” functional
    • New tool “check_spend” functional
  • 31 Jul 26 0
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 27 Jul 26 0
    • 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 0

    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 25 Sept 2026 · Probed https://budget.rugslayer.com/mcp

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject Issuer Valid from Valid until Key Signature Serial
CN=budget.rugslayer.com CN=YE2,O=Let's Encrypt,C=US 31 Aug 2026 29 Nov 2026 ECDSA 256 ECDSA-SHA384 6c10c8b86bb0524ab4601889917c70b49c7
SANs: budget.rugslayer.com
CN=YE2,O=Let's Encrypt,C=US (CA) CN=Root YE,O=ISRG,C=US 3 Sept 2025 2 Sept 2028 ECDSA 384 ECDSA-SHA384 4df3b15dd6c0784c507cd37b58e6f115
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

Background: What to check on a remote MCP endpoint →

DNSSEC insecure

Validation of budget.rugslayer.com. — Not signed

Zone DS Keys Algorithms Outcome
. trust_anchor 20326, 38696 8, 8 Verified
com. present 19718 13 Verified
rugslayer.com. 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

Background: How OAuth 2.1 works in the 2026 MCP spec →

Transports 2 probes
Transport URL Outcome Status Location
streamable-http https://budget.rugslayer.com/mcp Verified 200
http (plaintext) http://budget.rugslayer.com/mcp HTTPS enforced 301 https://budget.rugslayer.com/mcp
MCP tools · 6 exposed · ~441 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. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
check_spend ~110

Pre-spend budget approval check. Verifies daily/weekly/category limits, estimates ROI from historical data, and suggests cheaper alternatives. Call this BEFORE paying for any service.

NameTypeReqDescription
agent_idstringyesYour agent identifier (must be registered first)
amount_usdnumberyesAmount you're about to spend in USD
categorystringyesSpending category
service_idstringyesService you want to pay for (e.g. 'harvey-tools/scrape_url')

No output schema declared.

No examples provided.

get_spending_report ~61

Detailed spending analytics report. Returns total spent, category breakdown, top services with ROI, and optimization recommendations. Use to understand spending patterns and find inefficiencies.

NameTypeReqDescription
agent_idstringyesYour agent identifier
periodstringyesReport period

No output schema declared.

No examples provided.

health ~20

Check Harvey Budget server status, uptime, and payment network configuration.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

list_tools ~25

List all available Harvey Budget tools with pricing and input requirements. Use this for discovery.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

register_agent ~122

Register an agent with daily and weekly budget limits. Free tool - call this before using check_spend or report_spend. Upserts if agent already exists.

NameTypeReqDescription
agent_idstringyesUnique agent identifier (e.g. your wallet address or agent name)
category_limitsobject–Optional per-category weekly limits (e.g. {security: 1.0, content: 2.0})
daily_limit_usdnumberyesMaximum daily spending in USD
weekly_limit_usdnumberyesMaximum weekly spending in USD

No output schema declared.

No examples provided.

report_spend ~103

Record a completed spend with optional outcome tracking. Call this AFTER paying for a service to track spending and build ROI history.

NameTypeReqDescription
agent_idstringyesYour agent identifier
amount_usdnumberyesAmount spent in USD
categorystringyesSpending category
outcome_successboolean–Whether the service call succeeded
service_idstringyesService that was used
value_receivedstring–Description of value received

No output schema declared.

No examples provided.

Common questions

What is the io.github.meltingpixelsai/zero-core-budget MCP server?

io.github.meltingpixelsai/zero-core-budget is an MCP server listed in the public MCP registry as io.github.meltingpixelsai/zero-core-budget. Agent spending mgmt, budget tracking, ROI. Zero Core Budget. This page covers its hosted endpoint (https://budget.rugslayer.com/mcp).

Is the io.github.meltingpixelsai/zero-core-budget MCP server safe to use?

io.github.meltingpixelsai/zero-core-budget scores 76 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the io.github.meltingpixelsai/zero-core-budget MCP server expose?

io.github.meltingpixelsai/zero-core-budget exposes 6 tools: list_tools, health, register_agent, check_spend, report_spend, get_spending_report. Their descriptions and schemas cost roughly 441 tokens of context every time the server is loaded.

Does the io.github.meltingpixelsai/zero-core-budget MCP server require authentication?

No. We connected to io.github.meltingpixelsai/zero-core-budget without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

Is the io.github.meltingpixelsai/zero-core-budget MCP server still maintained?

io.github.meltingpixelsai/zero-core-budget is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.