calc-eval — ISO country MR MCP Tool
calc-eval
(calc eval) is one of 31 tools on the
ISO country MR
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call calc-eval from your client
- Claude Code ISO country MR calc-eval run in your project directory
- Claude Desktop ISO country MR calc-eval ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor ISO country MR calc-eval ~/.cursor/mcp.json
- VS Code ISO country MR calc-eval .vscode/mcp.json
- Zed ISO country MR calc-eval ~/.config/zed/settings.json
- Windsurf ISO country MR calc-eval ~/.codeium/windsurf/mcp_config.json
- Cline ISO country MR calc-eval ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI ISO country MR calc-eval ~/.gemini/settings.json
- Grok ISO country MR calc-eval .mcp.json (in your project root)
- ChatGPT ISO country MR calc-eval Settings → Connectors → Advanced → Developer mode
- Claude.ai ISO country MR calc-eval Settings → Connectors → Add custom connector
- LangChain ISO country MR calc-eval pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http cc-mr https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-mr/mcpOther tools on this server
- cc-mr
- utc-time
- timezone
- validate-json
- normalize-url
- inspect-robots
- domain-shape
- citation
- compatibility
- 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
- 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.