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Language Tutor by Agent Rails

R0· no sign-in

Practice Spanish, French or Russian in short conversations, with corrections.

v0.1.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality88good
Trust83of 100
Uptime, 30 days100%
Latency p50293 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "tutor": {
      "type": "http",
      "url": "https://tutor.rails.so/mcp"
    }
  }
}
claude mcp add --transport http tutor https://tutor.rails.so/mcp
[mcp_servers.tutor]
url = "https://tutor.rails.so/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "tutor": {
      "type": "remote",
      "url": "https://tutor.rails.so/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "tutor": {
      "type": "http",
      "url": "https://tutor.rails.so/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=tutor&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vdHV0b3IucmFpbHMuc28vbWNwIn0%3D"
}
{
  "servers": {
    "tutor": {
      "type": "http",
      "url": "https://tutor.rails.so/mcp"
    }
  }
}
{
  "mcpServers": {
    "tutor": {
      "httpUrl": "https://tutor.rails.so/mcp"
    }
  }
}
extensions:
  "tutor":
    enabled: true
    name: "tutor"
    type: streamable_http
    uri: "https://tutor.rails.so/mcp"
    timeout: 300

Quality 88 / 100good

protocol88 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • warn
    protocol.list_ttltools/list carries no ttlMs, so clients re-fetch it
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 hygienen/a · weight 30
  • n/a
    tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool list unknown
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

Tool list unknown · checked 2026-10-19 14:10 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-21d-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

remoteauthreachableuptime 30dp50protocollast ok
https://tutor.rails.so/mcp streamable-httpnoneyes100%293 ms2026-07-28, 2025-06-18, 2025-03-262026-10-19

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

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Official server.json
{
  "name": "so.rails/tutor",
  "title": "Language Tutor by Agent Rails",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://tutor.rails.so/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "websiteUrl": "https://tutor.rails.so/",
  "description": "Practice Spanish, French or Russian in short conversations, with corrections."
}