bots.st/holdkit
HoldKit
Idempotency keys, locks, timers, inbox events for agents
488 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 14
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://holdkit.peerfoundry.ai/mcp
What it can do
| Tool | What it says it does |
|---|---|
idem.begin | Start an idempotency key or return the prior outcome. fingerprint is a hex hash. Call keys.create once. Pass the key on every tools/call. |
idem.commit | Store the outcome reference for an idempotency key. scope (max 64) and owner are optional. When owner is omitted, the caller key hash is sent. Call keys.create once. Pass the key on every tools/call. |
inbox.ack | Mark inbox events done. Call keys.create once. Pass the key on every tools/call. |
inbox.create | Create an inbox. Returns webhook and A2A URLs. Call keys.create once. Pass the key on every tools/call. |
inbox.poll | Read inbox events after a cursor. Call keys.create once. Pass the key on every tools/call. |
inbox.wait | Poll an inbox. block_ms is accepted and capped at 0 in this MVP, so the call returns current events. Call keys.create once. Pass the key on every tools/call. |
keys.create | Mint a pf_ caller key bound to one HoldKit namespace. The raw key is shown once. Pass this key on every later tools/call. |
kv.delete | Delete a value. Call keys.create once. Pass the key on every tools/call. |
kv.get | Read a small value. Call keys.create once. Pass the key on every tools/call. |
kv.set | Write a small value with a TTL. Emails and card numbers are rejected. Call keys.create once. Pass the key on every tools/call. |
lock.acquire | Take a lease lock. Returns a fencing token. Call keys.create once. Pass the key on every tools/call. |
lock.release | Release a lock with its fencing token. Call keys.create once. Pass the key on every tools/call. |
timer.cancel | Cancel a timer. Call keys.create once. Pass the key on every tools/call. |
timer.set | Schedule a durable timer. Delivery URLs must be public https. Call keys.create once. Pass the key on every tools/call. |
In its maker's words
Idempotency keys, locks, timers, and inboxes for agents over MCP. No payments.
- Website
- peerfoundry.ai
- Publisher
- peerfoundry.ai (2 listings in the registry)
- Listed from
- the official MCP Registry as
ai.peerfoundry/holdkit - Version
- 0.1.0, updated 31 Oct 2026
- Kinds of work
- AI models and agent tools, Code and developer tools, Productivity
The domain it lives on
- peerfoundry.ai
- registered 31 Oct 2026 (1 months ago), at Cloudflare, Inc., its name does not resolve now
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 488 ms | |
| Answered | 2352 ms | |
| Answered | 831 ms |
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