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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "zero-core-budget": {
      "type": "http",
      "url": "https://budget.rugslayer.com/mcp"
    }
  }
}

claude mcp add --transport http zero-core-budget https://budget.rugslayer.com/mcp

[mcp_servers.zero-core-budget]
url = "https://budget.rugslayer.com/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "zero-core-budget": {
      "type": "remote",
      "url": "https://budget.rugslayer.com/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "zero-core-budget": {
      "type": "http",
      "url": "https://budget.rugslayer.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=zero-core-budget&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYnVkZ2V0LnJ1Z3NsYXllci5jb20vbWNwIn0%3D"
}

{
  "servers": {
    "zero-core-budget": {
      "type": "http",
      "url": "https://budget.rugslayer.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "zero-core-budget": {
      "httpUrl": "https://budget.rugslayer.com/mcp"
    }
  }
}

extensions:
  "zero-core-budget":
    enabled: true
    name: "zero-core-budget"
    type: streamable_http
    uri: "https://budget.rugslayer.com/mcp"
    timeout: 300

Quality 71 / 100needs work

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene71 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
fail
tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
fail
tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: register_agent (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); report_spend (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_spending_report (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
pass
tools.token_costabout 1,077 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changesno tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependencies33 · weight 15

fail
deps.known_vulns3 advisories to act on (malicious, or rated high or critical with a fix available): GHSA-w2fm-25vw-vh7f in [email protected] (indirect, fixed in 1.1.0), GHSA-96hv-2xvq-fx4p in [email protected] (indirect, fixed in 8.21.0), GHSA-96hv-2xvq-fx4p in [email protected] (indirect, fixed in 8.21.0); 5 more of lower severity or without a fix
fail
deps.mcp_sdk_version@modelcontextprotocol/sdk 1.18.2 has 4 known advisories (GHSA-345p-7cg4-v4c7, GHSA-6qxp-vccf-f47h, GHSA-8r9q-7v3j-jr4g, ...); update @modelcontextprotocol/sdk to 1.31.0 or later
pass
deps.resolvable@meltingpixels/[email protected] resolved: 639 packages

6 tools, about 1,077 tokens to load them all · tool set 1d0fb3fa1593 · checked 2026-10-20 11:40 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 90 / 100

provenance90

liveness100

freshness65

hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% ~updated-173d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

@meltingpixels/[email protected] npm638 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisory	severity	package	fixed in
GHSA-345p-7cg4-v4c7@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse	high	`@modelcontextprotocol/[email protected]`MCP SDK, indirect	fixed in `1.26.0`
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server	high	`@modelcontextprotocol/[email protected]`MCP SDK, indirect	fixed in `1.31.0`
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server	high	`@modelcontextprotocol/[email protected]`MCP SDK, direct	fixed in `1.31.0`
GHSA-8r9q-7v3j-jr4gAnthropic's MCP TypeScript SDK has a ReDoS vulnerability	high	`@modelcontextprotocol/[email protected]`MCP SDK, indirect	fixed in `1.25.2`
GHSA-w48q-cv73-mx4wModel Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default	high	`@modelcontextprotocol/[email protected]`MCP SDK, indirect	fixed in `1.24.0`
GHSA-w2fm-25vw-vh7fmcp-handler has a tool response leak across concurrent client sessions ('Race Condition')	high	`[email protected]`indirect	fixed in `1.1.0`
GHSA-96hv-2xvq-fx4pws: Memory exhaustion DoS from tiny fragments and data chunks	high	`[email protected]`indirect	fixed in `8.21.0`
GHSA-96hv-2xvq-fx4pws: Memory exhaustion DoS from tiny fragments and data chunks	high	`[email protected]`indirect	fixed in `8.21.0`
GHSA-vcc3-ghjq-m6frdecode-uri-component: Denial of service via exponential decoding of malformed percent-encoded input	moderate	`[email protected]`indirect	fixed in `0.5.0`
GHSA-w5hq-g745-h8pquuid: Missing buffer bounds check in v3/v5/v6 when buf is provided	moderate	`[email protected]`indirect	fixed in `11.1.1`

3 more advisories in the dependencies endpoint.

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://budget.rugslayer.com/mcp` streamable-http	none	yes	100%	198 ms	2025-06-18	2026-10-20

package	registry	version	runtime	secrets
`@meltingpixels/zero-core-budget`	npm	1.0.0	–

Tools (6)

`check_spend`	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.
`get_spending_report`	Detailed spending analytics report. Returns total spent, category breakdown, top services with ROI, and optimization recommendations. Use to understand spending patterns and find inefficiencies.
`health`	Check Harvey Budget server status, uptime, and payment network configuration.
`list_tools`	List all available Harvey Budget tools with pricing and input requirements. Use this for discovery.
`register_agent`	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.
`report_spend`	Record a completed spend with optional outcome tracking. Call this AFTER paying for a service to track spending and build ROI history.

Schemas: list_tools.

Similar MCP servers

More from io.github.meltingpixelsai

Official server.json

{
  "name": "io.github.meltingpixelsai/zero-core-budget",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://budget.rugslayer.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "packages": [
    {
      "version": "1.0.0",
      "transport": {
        "url": "https://budget.rugslayer.com/mcp",
        "type": "streamable-http"
      },
      "identifier": "@meltingpixels/zero-core-budget",
      "registryType": "npm"
    }
  ],
  "repository": {
    "url": "https://github.com/meltingpixelsai/harvey-budget",
    "source": "github"
  },
  "websiteUrl": "https://relayzero.ai",
  "description": "Agent spending mgmt, budget tracking, ROI. Zero Core Budget."
}