Files
PaperClipAI/maps/agent-access-map
DottaandPaperclip 1e731520bb fix(mcp): deduplicate discovered tool descriptors (#16281)
## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Agents receive governed app tools through the MCP gateway.
> - GitHub review tasks can contain a PR discussion and inline finding
threads.
> - Discovery repeated each tool for every conversation linked to the
task.
> - Native tool registration treated these repeated descriptors as a
fatal collision.
> - This pull request lists GitHub tools once and deduplicates identical
descriptors across providers.
> - Agents can continue work while conflicting definitions and normal
tool permissions remain enforced.

## Linked Issues or Issue Description

**What happened?**

A follow-up run on a GitHub review task failed with
`assigned_mcp_tool_name_collision` before the provider started. The task
had a main conversation and an inline finding thread. Discovery returned
the same seven tools twice. Repeated descriptors from other providers
could cause the same failure.

**Expected behavior**

Discovery exposes each identical tool once. Separate connection names
remain separate tools. Conflicting definitions remain an error. Every
call still passes the gateway's policy, approval, revocation, and audit
checks.

**Steps to reproduce**

1. Run a GitHub review and publish an inline finding.
2. Send a follow-up request on the same PR task.
3. Inspect the task-bound bot catalog and the next native startup.
4. Separately, return two identical descriptors from an assigned app or
plugin catalog.

Related: #13717 added the GitHub review workflow.

## What Changed

- Use a distinct GitHub discovery query across conversations that share
an endpoint and task. Keep both thread mappings.
- Deduplicate identical gateway descriptors by their full gateway name
across providers. Use this rule for MCP listings, plugin listings,
assigned-tool startup, and fresh assigned-tool discovery.
- Reject conflicting descriptors with `tool_name_collision`. Keep the
projected-name collision guard.
- Cover GitHub inline-thread discovery, repeated plugin/app tools,
direct and on-demand catalogs, revocation, conflicting bindings, and
separate connection names.
- Update the execution contract, GitHub documentation, and agent access
map.

## Verification

- Regression baseline: six new assertions failed on the original
implementation. GitHub returned fourteen entries, plugin discovery
repeated a tool, and native startup failed on repeated app tools.
- Focused verification passed: 272 GitHub cases, all 29 assigned-tool
cases, and all 88 gateway acceptance cases.
- `pnpm -r typecheck` passed.
- `pnpm build` passed.
- `node scripts/check-maps.mjs` passed.
- Current-head CI passed: 55 checks passed, two inapplicable checks
skipped. Greptile scored the current head 5/5 with no unresolved
threads.
- Full local `pnpm test:run` encountered a 15-second timeout in the
existing bearer-auth throttling test, before tool discovery. That test
passed in the separate 88-case gateway run and on one isolated rerun.
The duplicate broad local run was then stopped; the complete
current-head CI matrix passed.

## Risks

- Deduplication keeps the first identical descriptor and preserves
listing order. Same-name descriptors with different definitions fail
with HTTP 409 rather than selecting an ambiguous binding.
- The GitHub query changes result cardinality. It retains the existing
task/company/agent filters and leaves conversation rows intact.
- No schema migration or credential change. Live staging recovery
requires deployment and a new authorized run.

## Model Used

OpenAI Codex, based on GPT-6, with code inspection, editing, browser
investigation, and test execution. The exact serving model ID and
context window are not exposed in this session.

## 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] I have not referenced internal/instance-local Paperclip issues or
links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip`
URLs)
- [x] My branch name describes the change (e.g. `docs/...`, `fix/...`)
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
- [x] All Paperclip CI gates are green
- [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>
2026-10-14 07:39:54 -05:00
..

Paperclip agent access map

This map accompanies the feature map. It records APIs, agent entry points, permission boundaries and verification for the same capability IDs. The shared contract defines the format and maintenance rules.

Browse access contracts

The same-named feature recipes define navigation and capability IDs. Run node scripts/storybook-catalog.mjs for the generated maps/generated/agent-access-map.md index, or browse the published feature guide. Add or update the affected companion; there is no central registration or count.

Existing baseline source references describe the original inspection, not current verification. Record new executed evidence in the PR, issue, or CI artifact with its revision and scope. Do not refresh unrelated headers as bookkeeping.

Using an entry

Read its Policy and Gaps before selecting an agent path. Native fallback, legacy REST/CLI, stdio MCP and a personal assistant connection can have different authority and availability. Use a real admitted production binding; a scenario declaration is not an installed tool. A restricted entry records current enforcement and leaves any unresolved delegation decision visible.

For API catalog disagreements, follow the route/service authorization and record discovery drift. For not-applicable, retain the concrete exception and local path. Split shared business operations from client-only presentation.

Use maintain-verification-skill to reconcile changed source and both maps. Use verify-paperclip and existing API/runner/MCP fixtures to collect the permitted-agent and denial evidence; report blocked/not-run coverage honestly. Run node scripts/check-maps.mjs after editing. The structural check does not certify permissions, API catalog coverage, tool admission or live behavior.

Native REST transport

The call_api parity change reconciles affected baselines against 58e16dbddfc9c8d0cf60867f9d9847f0feda055b and the changes in this PR. Ordinary REST operations use the same route authorization as legacy agent REST. Dedicated tools remain optional for those operations; protocol endpoints still need their existing clients. Board-only routes remain restricted for agent identity.

Native search_api / call_api requires operator rollout admission, a running authorized native run, current task assignment and execution-run binding, company and budget authority, task privacy, and a permitted work mode. Ask and Plan retain mutation restrictions, and runs retain their admitted JWT scope during restart recovery even when task mode changes. A waiting agent does not gain independent native control just because a REST route exists.

Credential-bearing replies, including company exports and their legacy alias, stay inline under a 10 MiB limit and use encrypted mutation receipts. Other saved API snapshots are limited to the issuing actor and responsible user, plus authorized administrators. Artifact uploads enforce the same access checks as downloads; private snapshots are excluded from company exports and public company logos. Explicit deliverables use the existing sharing path. Native event history, checkpoints and completion records omit API bodies while preserving receipt metadata and replay digests. Restored webhook secrets use the same encrypted receipt and inline response policy as newly created webhook secrets. Task image access requires the company boundary and the task permission; skill-test and low-trust agents do not need company-wide browsing authority. Completion replay applies the same idempotent projection to stored and expected payloads; the run-log guide describes its fields.

Sources: API client, catalog, native authority, credential storage classification, snapshot access, and history redaction. The affected entries remain baseline and source-only; this reconciliation does not certify every operation. Targeted real-route proof lives in the API integration suite, including owned routines, skill tests, scoped secrets, proposals and private export replay.