Extcord for Claude.ai

io.extcord/extcord

Agent utilities: read big pages without filling context, exact math, dates, parsing. Free.

client:Claude.ai transport:streamable-http tools:6

Install Extcord in Claude.ai

Settings → Connectors → Add custom connector

https://extcord.io/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

discover
invoke
run_pipeline
inspect
run_recipe
save_recipe

Extcord in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Extcord MCP server