compatibility — Language is MCP Tool
compatibility
(compatibility) is one of 31 tools on the
Language is
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call compatibility from your client
- Claude Code Language is compatibility run in your project directory
- Claude Desktop Language is compatibility ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Language is compatibility ~/.cursor/mcp.json
- VS Code Language is compatibility .vscode/mcp.json
- Zed Language is compatibility ~/.config/zed/settings.json
- Windsurf Language is compatibility ~/.codeium/windsurf/mcp_config.json
- Cline Language is compatibility ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Language is compatibility ~/.gemini/settings.json
- Grok Language is compatibility .mcp.json (in your project root)
- ChatGPT Language is compatibility Settings → Connectors → Advanced → Developer mode
- Claude.ai Language is compatibility Settings → Connectors → Add custom connector
- LangChain Language is compatibility pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http lang-is https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-is/mcp
Other tools on this server
- lang-is
- utc-time
- timezone
- validate-json
- normalize-url
- inspect-robots
- domain-shape
- citation
- status-catalog
- iana-zones
- web-fetch
- fetch-status
- github-repo-shape
- weather-hint
- memory-key-count
- file-path-ok
- browser-url-ok
- think-steps
- search-query-len
- hn-front-count
- lib-docs-hint
- playwright-url-ok
- figma-url-shape
- jira-key-shape
- geo-hint
- calc-eval
- wiki-title-ok
- agent-tool-index
- people-search-index
- agent-ads-index
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.