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DottaandPaperclip
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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - Governed MCP access spans contracts, runtime enforcement, adapters, UI surfaces, and operator verification > - The parity reference PR #9534 is too large for effective automated or human review > - The feature therefore needs a linear stack whose individual diffs stay below the 100-file review limit > - This pull request is split 8/8 and focuses on end-to-end coverage, operator docs, evals, and release notes > - The benefit is a standalone, testable review boundary while preserving byte-for-byte parity at the top of the stack ## Linked Issues or Issue Description - Related parity reference: #9534 - Problem: The complete stack needs discoverable browser scenarios, operator guidance, threat modeling, eval coverage, and a parity proof before merge. - Proposed solution: Adds MCP user-story and Smoke Lab e2e suites, docs/evals/release notes, the skill update, and the root e2e driver script registration. - Alternatives considered: keeping #9534 as one 403-file review, or rewriting the feature to manufacture seams; both were rejected in favor of path extraction plus compile-driven boundary moves. - Roadmap alignment: this advances the existing governed MCP/tool-access work already represented by #9534; it does not introduce a separate roadmap initiative. - Stack position: base branch is `pap10341-split/07-ui-apps-activation`. - Merge policy: merge bottom-up, in order, only after the complete eight-PR stack has been reviewed and the top-of-stack parity gate remains empty. - Requested review: QA for flag audit and e2e/browser acceptance; Greptile on every PR. ## What Changed - Adds MCP user-story and Smoke Lab e2e suites, docs/evals/release notes, the skill update, and the root e2e driver script registration. - Keeps this PR below 100 changed files and independently typecheckable. - Preserves the final tree from #9534 when combined with the other seven stack levels. ## Verification - `pnpm typecheck` - `node --check scripts/e2e-mcp-user-stories.mjs` - `pnpm exec playwright test --config tests/e2e/playwright.config.ts --list` — 43 tests discovered - `git diff pap10341-split/08-e2e-docs 6b40e3876d9297105d4ec306e47e46d351c86172` — empty (0 bytes) ## Risks - Browser suites depend on runtime services and environment setup; this PR validates discovery locally while QA owns full flag-on/flag-off execution. - Stack risk: merging out of order can expose incomplete layers; mitigate by following the documented bottom-up merge policy. - Parity risk: later edits to an intermediate branch can drift from #9534; mitigate by re-running the empty top-of-stack diff before merge. > 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, exact model ID `gpt-5.4`; runtime-managed context window; medium reasoning with repository, shell, Git, GitHub CLI, and code-execution tools enabled. ## 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 searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] Internal references are omitted except the execution-plan link explicitly required for this coordinated split stack - [x] My branch name describes the change and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [ ] All Paperclip CI gates are green - [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge ## Stack Coordination - Internal execution plan: [PAP-13874](/PAP/issues/PAP-13874#document-plan) - Parity reference: #9534 - Stack: #9556 → #9557 → #9558 → #9559 → #9560 → #9561 → #9562 → #9563 - Merge bottom-up only after full-stack review and an empty parity diff at #9563. --------- Co-authored-by: Paperclip <noreply@paperclip.ing>
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MCP Gateway Eval Gap Memo
Covered by promptfoo
- Agent response to an allowed read-only gateway call (
allow/profile_allows_tool): use the gateway result and avoid unnecessary approval or raw upstream calls. - Agent response to a denied unsafe tool call (
403 deny_default): fail closed, no retry, no raw MCP bypass. - Agent response while a gateway-created approval is pending (
409 approval_required): wait on the interaction or approval path instead of re-executing the write. - Agent response after a rejected or unapproved tool action (
409 action_not_approved): honor the denial and stop the unsafe path. - Agent response when formal board approval is still pending (
409 formal_approval_required): keep waiting for board approval before destructive execution. - Agent response to rate limits (
429 rate_limited): back off or use an explicit waiting path without crashing or busy-looping. - Agent response to missing/revoked credentials (
remote_http_missing_secret,missing_secret, OAuth token failures): stop the tool path, avoid secret leakage, and name the board/CloudOps credential repair action. - Agent response to revoked gateway sessions (
401 session_revoked): stop using the stale token, create a fresh issue-scoped gateway session only when the run scope is still valid, and avoid raw upstream fallback. - Agent reporting for remote HTTP header forwarding: rely on redacted gateway audit evidence for required MCP transport and credential headers without exposing raw Authorization/Cookie/API key material.
- Agent target resolution for named/on-demand gateways: use the exact
mcp.<application-connection>:<tool>target rather than an ambiguous upstream tool name or similar gateway. - Agent response to elicitation-required tools: ask the human/board through a real interaction path instead of fabricating missing recipient/tone/input.
- Agent response to changed approved connected-MCP targets (
approved_tool_target_changed): treat the prior approval as stale and request fresh review or block.
Covered elsewhere
The promptfoo suite evaluates model behavior from heartbeat instructions. It does not execute the gateway service or prove database-side enforcement. Those mechanics are covered by targeted Vitest coverage in:
server/src/__tests__/tool-gateway.test.tsserver/src/__tests__/tool-gateway-service.test.tsserver/src/__tests__/tool-access-policy-service.test.ts
Remaining gaps
- Live adapter transcripts for each local CLI model are not included because they require provider credentials, real agent runs, and MCP runtime services. The promptfoo suite remains the cheap regression gate; service tests remain the hard enforcement gate.
- Timing-sensitive retry scheduling is asserted behaviorally in promptfoo and mechanically through policy/service tests, not through an end-to-end wall-clock wait.
- Elicitation is covered as expected agent behavior for the product surface. Full transport-level elicitation mechanics should be enforced by service/API tests when that gateway path is implemented end to end.