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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "retentionrail": {
      "type": "http",
      "url": "https://api.retentionrail.com/mcp",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  }
}

claude mcp add --transport http retentionrail https://api.retentionrail.com/mcp --header "X-API-Key: ${X_API_KEY}"

[mcp_servers.retentionrail]
url = "https://api.retentionrail.com/mcp"
env_http_headers = { "X-API-Key" = "X_API_KEY" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "retentionrail": {
      "type": "remote",
      "url": "https://api.retentionrail.com/mcp",
      "enabled": true,
      "headers": {
        "X-API-Key": "{env:X_API_KEY}"
      }
    }
  }
}

{
  "mcpServers": {
    "retentionrail": {
      "type": "http",
      "url": "https://api.retentionrail.com/mcp",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=retentionrail&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLnJldGVudGlvbnJhaWwuY29tL21jcCIsImhlYWRlcnMiOnsiWC1BUEktS2V5IjoiJHtYX0FQSV9LRVl9In19"
}

{
  "servers": {
    "retentionrail": {
      "type": "http",
      "url": "https://api.retentionrail.com/mcp",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  }
}

{
  "mcpServers": {
    "retentionrail": {
      "httpUrl": "https://api.retentionrail.com/mcp",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  }
}

extensions:
  "retentionrail":
    enabled: true
    name: "retentionrail"
    type: streamable_http
    uri: "https://api.retentionrail.com/mcp"
    headers:
      "X-API-Key": "${X_API_KEY}"
    timeout: 300

Placeholders to fill from your own secret store: ${X_API_KEY}. The registry never accepts secret values.

Quality 100 / 100strong

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

authorization100 · weight 15

pass
auth.prmProtected Resource Metadata (RFC 9728) published
pass
auth.as_metadataauthorization server metadata reachable
pass
auth.cimdClient ID Metadata Documents supported
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations2 of 2 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 172 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

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

2 tools, about 172 tokens to load them all · tool set d5ded5b225a1 · checked 2026-10-20 15:57 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 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-23d-ago -no-repository

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

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://api.retentionrail.com/mcp` streamable-http	oauth2 AS: https://api.retentionrail.com	yes	100%	164 ms	–	2026-10-20

Tools (2)

`demo_screening_report`read-only	Return a real precomputed RetentionRail pre-publish screening report (a 1:00 YouTube Short) in the same shape a keyed workspace receives from get_screening_report. Sample data, not the caller's footage.
`get_started`read-only	Return the signup URL, the API key URL, the install command that includes a key, and the tools a key unlocks.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "com.retentionrail/retentionrail",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "com.retentionrail": {
        "tagline": "Know what to make. Know what to change. Before release.",
        "setupUrl": "https://retentionrail.com/account/api-key/setup",
        "keylessDemo": true
      }
    }
  },
  "icons": [
    {
      "src": "https://retentionrail.com/logo.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    },
    {
      "src": "https://retentionrail.com/apple-icon",
      "sizes": [
        "180x180"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "RetentionRail",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.retentionrail.com/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "X-API-Key",
          "isSecret": true,
          "description": "Optional RetentionRail API key (starts with rr_), created at https://retentionrail.com/account/api-key/setup. Without a key the server runs in demo mode with a sample screening report and setup instructions. Authorization: Bearer rr_... is also accepted."
        }
      ]
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://retentionrail.com/mcp",
  "description": "Research competitors and trends, write scripts, and screen videos before you publish."
}