keys.create
keys create
ai.peerfoundry/holdkit
Idempotency keys, locks, timers, and inboxes for agents over MCP. No payments.
transport:streamable-http
tools:14
Target client
run in your project directory
claude mcp add --transport http holdkit https://holdkit.peerfoundry.ai/mcpsetup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
inbox.create
inbox create
inbox.poll
inbox poll
inbox.ack
inbox ack
inbox.wait
inbox wait
timer.set
timer set
timer.cancel
timer cancel
lock.acquire
lock acquire
lock.release
lock release
idem.begin
idem begin
idem.commit
idem commit
kv.get
kv get
kv.set
kv set
kv.delete
kv delete
1 resource you attach as context
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.