HoldKit for Claude.ai

ai.peerfoundry/holdkit

Idempotency keys, locks, timers, and inboxes for agents over MCP. No payments.

client:Claude.ai transport:streamable-http tools:14

Install HoldKit in Claude.ai

Settings → Connectors → Add custom connector

https://holdkit.peerfoundry.ai/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

keys.create
inbox.create
inbox.poll
inbox.ack
inbox.wait
timer.set
timer.cancel
lock.acquire
lock.release
idem.begin
idem.commit
kv.get
kv.set
kv.delete

HoldKit in other clients

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

HoldKit MCP server