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