calc-eval — Currency USD MCP Tool
calc-eval
(calc eval) is one of 31 tools on the
Currency USD
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 Currency USD calc-eval run in your project directory
- Claude Desktop Currency USD calc-eval ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Currency USD calc-eval ~/.cursor/mcp.json
- VS Code Currency USD calc-eval .vscode/mcp.json
- Zed Currency USD calc-eval ~/.config/zed/settings.json
- Windsurf Currency USD calc-eval ~/.codeium/windsurf/mcp_config.json
- Cline Currency USD calc-eval ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Currency USD calc-eval ~/.gemini/settings.json
- Grok Currency USD calc-eval .mcp.json (in your project root)
- ChatGPT Currency USD calc-eval Settings → Connectors → Advanced → Developer mode
- Claude.ai Currency USD calc-eval Settings → Connectors → Add custom connector
- LangChain Currency USD calc-eval pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http fx-usd https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/fx-usd/mcp
Other tools on this server
- fx-usd
- 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.