paperclip/packages/mcp-server/README.md
Dotta 09d0678840
[codex] Harden heartbeat scheduling and runtime controls (#4223)
## Thinking Path

> - Paperclip orchestrates AI agents through issue checkout, heartbeat
runs, routines, and auditable control-plane state
> - The runtime path has to recover from lost local processes, transient
adapter failures, blocked dependencies, and routine coalescing without
stranding work
> - The existing branch carried several reliability fixes across
heartbeat scheduling, issue runtime controls, routine dispatch, and
operator-facing run state
> - These changes belong together because they share backend contracts,
migrations, and runtime status semantics
> - This pull request groups the control-plane/runtime slice so it can
merge independently from board UI polish and adapter sandbox work
> - The benefit is safer heartbeat recovery, clearer runtime controls,
and more predictable recurring execution behavior

## What Changed

- Adds bounded heartbeat retry scheduling, scheduled retry state, and
Codex transient failure recovery handling.
- Tightens heartbeat process recovery, blocker wake behavior, issue
comment wake handling, routine dispatch coalescing, and
activity/dashboard bounds.
- Adds runtime-control MCP tools and Paperclip skill docs for issue
workspace runtime management.
- Adds migrations `0061_lively_thor_girl.sql` and
`0062_routine_run_dispatch_fingerprint.sql`.
- Surfaces retry state in run ledger/agent UI and keeps related shared
types synchronized.

## Verification

- `pnpm exec vitest run
server/src/__tests__/heartbeat-retry-scheduling.test.ts
server/src/__tests__/heartbeat-process-recovery.test.ts
server/src/__tests__/routines-service.test.ts`
- `pnpm exec vitest run src/tools.test.ts` from `packages/mcp-server`

## Risks

- Medium risk: this touches heartbeat recovery and routine dispatch,
which are central execution paths.
- Migration order matters if split branches land out of order: merge
this PR before branches that assume the new runtime/routine fields.
- Runtime retry behavior should be watched in CI and in local operator
smoke tests because it changes how transient failures are resumed.

> For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and
discuss it in `#dev` before opening the PR. Feature PRs that overlap
with planned core work may need to be redirected — check the roadmap
first. See `CONTRIBUTING.md`.

## Model Used

- OpenAI Codex, GPT-5-based coding agent runtime, shell/git tool use
enabled. Exact hosted model build and context window are not exposed in
this Paperclip heartbeat environment.

## Checklist

- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [ ] If this change affects the UI, I have included before/after
screenshots
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge
2026-04-21 12:24:11 -05:00

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Markdown

# Paperclip MCP Server
Model Context Protocol server for Paperclip.
This package is a thin MCP wrapper over the existing Paperclip REST API. It does
not talk to the database directly and it does not reimplement business logic.
## Authentication
The server reads its configuration from environment variables:
- `PAPERCLIP_API_URL` - Paperclip base URL, for example `http://localhost:3100`
- `PAPERCLIP_API_KEY` - bearer token used for `/api` requests
- `PAPERCLIP_COMPANY_ID` - optional default company for company-scoped tools
- `PAPERCLIP_AGENT_ID` - optional default agent for checkout helpers
- `PAPERCLIP_RUN_ID` - optional run id forwarded on mutating requests
## Usage
```sh
npx -y @paperclipai/mcp-server
```
Or locally in this repo:
```sh
pnpm --filter @paperclipai/mcp-server build
node packages/mcp-server/dist/stdio.js
```
## Tool Surface
Read tools:
- `paperclipMe`
- `paperclipInboxLite`
- `paperclipListAgents`
- `paperclipGetAgent`
- `paperclipListIssues`
- `paperclipGetIssue`
- `paperclipGetHeartbeatContext`
- `paperclipListComments`
- `paperclipGetComment`
- `paperclipListIssueApprovals`
- `paperclipListDocuments`
- `paperclipGetDocument`
- `paperclipListDocumentRevisions`
- `paperclipListProjects`
- `paperclipGetProject`
- `paperclipGetIssueWorkspaceRuntime`
- `paperclipWaitForIssueWorkspaceService`
- `paperclipListGoals`
- `paperclipGetGoal`
- `paperclipListApprovals`
- `paperclipGetApproval`
- `paperclipGetApprovalIssues`
- `paperclipListApprovalComments`
Write tools:
- `paperclipCreateIssue`
- `paperclipUpdateIssue`
- `paperclipCheckoutIssue`
- `paperclipReleaseIssue`
- `paperclipAddComment`
- `paperclipUpsertIssueDocument`
- `paperclipRestoreIssueDocumentRevision`
- `paperclipControlIssueWorkspaceServices`
- `paperclipCreateApproval`
- `paperclipLinkIssueApproval`
- `paperclipUnlinkIssueApproval`
- `paperclipApprovalDecision`
- `paperclipAddApprovalComment`
Escape hatch:
- `paperclipApiRequest`
`paperclipApiRequest` is limited to paths under `/api` and JSON bodies. It is
meant for endpoints that do not yet have a dedicated MCP tool.