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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "failmodes": {
      "type": "http",
      "url": "https://www.failmodes.com/api/mcp"
    }
  }
}

claude mcp add --transport http failmodes https://www.failmodes.com/api/mcp

[mcp_servers.failmodes]
url = "https://www.failmodes.com/api/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "failmodes": {
      "type": "remote",
      "url": "https://www.failmodes.com/api/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "failmodes": {
      "type": "http",
      "url": "https://www.failmodes.com/api/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=failmodes&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vd3d3LmZhaWxtb2Rlcy5jb20vYXBpL21jcCJ9"
}

{
  "servers": {
    "failmodes": {
      "type": "http",
      "url": "https://www.failmodes.com/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "failmodes": {
      "httpUrl": "https://www.failmodes.com/api/mcp"
    }
  }
}

extensions:
  "failmodes":
    enabled: true
    name: "failmodes"
    type: streamable_http
    uri: "https://www.failmodes.com/api/mcp"
    timeout: 300

Quality 77 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 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: list_categories (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_failure_mode (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); search_failure_modes (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
pass
tools.token_costabout 316 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

dependencies67 · weight 15

pass
deps.known_vulnsno known advisory in 98 resolved packages
fail
deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
pass
deps.resolvable[email protected] resolved: 98 packages

4 tools, about 316 tokens to load them all · tool set fefd7f24ba50 · checked 2026-10-19 10:20 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 87 / 100

provenance80

liveness100

freshness65

hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% ~updated-106d-ago

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

Dependencies

[email protected] npm97 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisory	severity	package	fixed in
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`

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://www.failmodes.com/api/mcp` streamable-http	none	yes	100%	209 ms	2025-11-25	2026-10-19

package	registry	version	runtime	secrets
`failmodes-mcp`	npm	0.1.0	–

Tools (4)

`get_failure_mode`	Retrieve the full structured record for a single failure mode by its ID slug (e.g. 'citation-hallucination', 'sycophancy').
`list_categories`	List all taxonomy categories with their IDs, names, descriptions, and mode counts.
`list_modes`	List failure modes, optionally filtered to a single category by category ID.
`search_failure_modes`	Search the Fail Modes taxonomy by symptom text or keyword phrase. Returns ranked matches with id, name, category, and matched context.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.elyngved/failmodes",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://www.failmodes.com/api/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "packages": [
    {
      "version": "0.1.0",
      "transport": {
        "type": "stdio"
      },
      "identifier": "failmodes-mcp",
      "registryType": "npm"
    }
  ],
  "repository": {
    "url": "https://github.com/elyngved/failmodes-mcp",
    "source": "github"
  },
  "description": "MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes"
}