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