PaperClipAI

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Author	SHA1	Message	Date
DottaandPaperclip	ad55d0a281	fix(connections): repair personal credentials and request write access (#14739 ) ## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Agents use Apps through a gateway that checks identity, company access, and action policies. > - Personal pasted credentials can point to company secrets. Setup can show success while the gateway rejects every call. > - Several OAuth methods also omit the scopes needed for their supported write actions. > - This pull request gives setup, health checks, and invocation the same credential rules. Owners repair existing connections by reconnecting. > - New connections request reviewed permissions for their supported actions. Read-only choices remain available under Advanced. > - Agents can use the connections people give them, while existing consent, identity boundaries, and action restrictions remain enforced. ## Linked Issues or Issue Description Refs #14009 and #14008. This addresses the personal-credential defect. The separate GitHub organization-identity selection defect is outside this change. Related work: #13942 fixed part of new personal-key setup. #14200 independently fixes legacy personal reconnect and protects managed-agent profile credentials during removal. This PR covers that ownership invariant across key and secret-URL setup, reconnect, health, discovery, and invocation, and keeps owner reconnect as the repair path. #14059 tracks requested versus provider-asserted OAuth scopes; it remains separate work. I searched open PRs and issues for Zapier, Airtable scopes, connector writes, and personal credential failures. What happened? A Zapier secret URL saved through personal setup can become a company secret referenced by a user grant. Health checks bypass the gateway's ownership check, so the connection appears healthy but calls fail with `grant_credential_invalid`. Custom-header paths can also receive a duplicate `credentials.` prefix. Omitted OAuth scopes make write access depend on provider defaults. Expected behavior Personal invocation credentials belong to the selected user. Setup, health, and actual calls enforce the same rule. New connections request documented permissions for supported read and write actions. Existing tokens gain no permissions without provider consent. Steps to reproduce 1. Connect Zapier or a generic secret URL with the personal identity. 2. Allow an agent to use the connection and complete setup. 3. Invoke a tool through a run-scoped gateway. The legacy layout fails ownership validation despite successful setup. Paperclip version or commit The implementation started from `44736c9c7c67b7b646ead9d51721db10f5b83835` and was rebased onto master at `94e8dec56`. Deployment mode Built from source. Regression tests use isolated PostgreSQL fixtures and controlled MCP transports. ## What Changed - Share credential writing, ownership validation, and canonical paths across initial setup, resume, reconnect, rotation, health, discovery, and gateway calls. Keep OAuth client-registration secrets separate from invocation credentials. - Existing personal connections with company-scoped credentials require owner reconnect with a fresh key or secret URL. Reconnect creates a correctly owned value and updates the existing grant and declarations. There is no automatic ownership backfill or new startup hook. - Preserve PostgreSQL timestamp precision when reconnect checks whether a grant changed. Previously, converting the timestamp to a JavaScript Date could reject reconnect with a false concurrent-change error. - Protect credentials used by other grants, connections, bindings, managed-agent profiles, routine triggers, or secret proposals from connection removal. - Review all 117 tool methods, including 84 OAuth methods. Record explicit scopes or documented provider-default exceptions with official evidence. Add Airtable's seven scopes, Hugging Face repository/job scopes, and other documented MCP permissions. - Prefer available write-capable methods. Put explicit read-only choices under Advanced. Explain pasted-key permissions and offer reconnect for missing OAuth consent. Preserve existing grants, policies, Google availability gates, and curated scope allowlists. - Reconnect generic secret URLs and custom headers using their stored credential fields. Refresh the catalog after setup, correct reconnect feedback and error guidance, and let Cancel exit invalid setup while Save & exit retains draft-saving behavior. - Apply ownership checks to the new GitHub repository/skill connection picker. Align the permission audit with the Google scope reductions merged on master. - Add run-scoped gateway, ownership, owner-reconnect, OAuth URL, insufficient-scope, UI, and catalog-wide regression coverage. Update the connector playbook and permission audit. ## Verification Latest commit `97bc0b86e0eae0ec892e4ac44beff1a66164b20e` passes all CI/status gates (55 completed check runs, no failures or pending checks) and has a completed Greptile review at 5/5 with no outstanding findings. GitHub reports the PR as mergeable/CLEAN. - Embedded browser: used the actual server and built UI from this worktree, a fresh isolated database, and local HTTP MCP fixtures. Completed personal bearer-key, secret-URL, and custom-header setup; reproduced the legacy ownership failure; reconnected through the owner’s form; and completed writes afterward. Read-back was verified for bearer-key and secret-URL connections. Public organization-wide setup appeared immediately in Browse without reload. Zapier URL validation/Cancel and Google’s enrollment gate were also exercised. - Persistence and invocation: verified user ownership, canonical `credentials.authorization` / `remote.url` / `headers.X-Api-Key` declarations, and unchanged connection/grant identity. The old company secrets retain their ownership. Separate HTTP calls through an actual run-scoped gateway session completed a write and read-back. - Backend coverage: the final gateway suite passes all 82 cases, including catalog Zapier and generic inline reconnect. It checks company/user isolation, canonical declarations, same-endpoint URL validation, fresh credentials, retained restrictions, and real gateway read/write execution using fixture transport. A timestamp with PostgreSQL microseconds covers the former false reconnect conflict. - Local checks: 368 catalog, gateway, repository, and UI tests passed before the final extra Zapier case; 49 GitHub skill access tests also passed. All three Apps browser regressions pass, including reconnect through the actual form and catalog visibility without reload. Full `pnpm -r typecheck`, `pnpm build`, server typecheck after the final patch, and token gates passed. Full tool-access service runs hit varying 15-second Google fixture timeouts; both affected cases and the updated reconnect assertion pass in isolation (3 tests). The complete test matrix passes in CI on this head. - Verification limits: no live provider account was available for Zapier/Airtable/OAuth consent or account-bound write proof. Public metadata and local fixtures do not establish provider consent. The original development database clone failed on a pre-existing missing `tool_connections_transport_check` constraint; browser acceptance used a fresh isolated database created by the normal CLI onboarding flow. ## Risks - Existing broken personal connections stay unusable until their owner reconnects. Health, discovery, and invocation return an actionable ownership error; startup does not rewrite credential ownership. - Scope changes affect new authorization requests. Providers may still require resource selection, account roles, paid plans, or app verification. Existing consent and action restrictions remain unchanged. - Shared credentials are retained rather than reassigned or revoked. Provider-default exceptions and unavailable live checks are documented in `doc/connections/CONNECTOR-PERMISSION-AUDIT.md`. - No new endpoint, database table, lockfile change, or CI workflow change is included. ## Model Used OpenAI Codex, based on GPT-6, with reasoning, code editing, shell execution, web research, and browser tools. The exact deployment model ID and context window were 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>	2026-09-30 14:32:34 -05:00
DottaandPaperclip	20ccf3f476	feat(apps): add connection grants and delegated identities (#12341 ) ## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - External tools need explicit identity and access boundaries. > - Shared connection credentials cannot represent every user-scoped use case. > - Grants must stay company-scoped and support safe delegation. > - This pull request adds connection grants, identity rules, and their database contract. > - The benefit is durable control over which identity an agent may use. ## Linked Issues or Issue Description Refs #11965 This is stack 3 of 11. It depends on stack 2 and replaces another reviewable part of #11965. ## What Changed - Add company and user connection grants. - Add delegated identity and membership rules. - Synchronize database, shared, server, and UI contracts. - Register the grant-member replacement route in the OpenAPI surface in the same layer that mounts it. - Add migration 0231 with replay-safe guards and coverage. ## Verification - `pnpm -r typecheck` - `pnpm --filter @paperclipai/server exec vitest run src/__tests__/tool-access-service.test.ts` - `pnpm --filter @paperclipai/server exec vitest run src/__tests__/openapi-routes.test.ts` (5 passed) - `pnpm --filter @paperclipai/db check:migrations` - `pnpm build` ## Risks - Incorrect grant selection could expose the wrong credential scope. - The service enforces company and subject boundaries before credential use. - Migration 0231 is generated, ordered after 0230, and safe to replay. > I checked `ROADMAP.md`. This stack continues the existing app connection work from #11965 and does not duplicate another planned item. ## Model Used OpenAI Codex, GPT-5. The runtime model ID and context window were not exposed. The model used reasoning, tool use, and code execution. ## 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 linked a public issue or pull request with `Refs #` - [x] I have not referenced internal or instance-local Paperclip issues or links - [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 - [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>	2026-08-29 12:08:33 -05:00
DottaandPaperclip	cabc9146d0	feat(apps): add secure remote MCP and PostHog setup (#12339 ) ## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Apps give those agents governed access to external tools. > - Remote MCP setup needs secure endpoint validation and durable credentials. > - PostHog needs both browser sign-in and personal API key setup paths. > - This pull request adds the shared remote MCP foundation and the PostHog definition. > - The benefit is a secure and reusable base for later app connection work. ## Linked Issues or Issue Description Refs #11965 This is stack 1 of 11. It replaces the first reviewable part of #11965. ## What Changed - Add guarded remote MCP setup and credential handling. - Add PostHog OAuth and API key connection methods. - Add focused server, shared contract, and UI coverage. - Keep the migration replay-safe and idempotent. - Give the late-close security regression the same 10-second CI headroom as the adjacent real-timer handshake test. - Synchronize fake-timer handshake tests at the exact ensure-session boundary so real filesystem setup cannot race the fake deadline. - Drive PTY overflow coverage only after listener registration so scheduling cannot reorder the test fixture. ## Verification - pnpm exec vitest run packages/adapter-utils/src/acpx-engine/execute.test.ts server/src/__tests__/plugin-worker-manager.test.ts (220 passed; affected cases also passed five focused stress repetitions) - `pnpm exec vitest run packages/adapter-utils/src/acpx-engine/execute.test.ts -t "never leaks a sandbox-provided value from a late close rejection into logs or the result"` (1 passed) - `pnpm exec vitest run packages/adapter-utils/src/acpx-engine/execute.test.ts -t "never promotes a late ensureSession resolution\|closes a late-resolving real handle exactly once"` (2 passed) - `pnpm -r typecheck` - `pnpm --filter @paperclipai/server exec vitest run src/__tests__/tool-access-service.test.ts` - `pnpm --filter @paperclipai/db check:migrations` - `pnpm build` ## Risks - Remote endpoint validation can reject configurations that previously passed without checks. - OAuth configuration errors can block setup until the operator corrects the provider settings. - The migration uses guarded statements so repeated execution is safe. - The test-only synchronization changes do not affect runtime behavior; they remove filesystem/fake-clock and listener-registration races observed under parallel CI load. > I checked `ROADMAP.md`. This stack continues the existing app connection work from #11965 and does not duplicate another planned item. ## Model Used OpenAI Codex, GPT-5. The runtime model ID and context window were not exposed. The model used reasoning, tool use, and code execution. ## 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 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>	2026-08-29 12:08:32 -05:00

Author

SHA1

Message

Date

DottaandPaperclip

ad55d0a281

fix(connections): repair personal credentials and request write access (#14739 )

## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Agents use Apps through a gateway that checks identity, company
access, and action policies.
> - Personal pasted credentials can point to company secrets. Setup can
show success while the gateway rejects every call.
> - Several OAuth methods also omit the scopes needed for their
supported write actions.
> - This pull request gives setup, health checks, and invocation the
same credential rules. Owners repair existing connections by
reconnecting.
> - New connections request reviewed permissions for their supported
actions. Read-only choices remain available under Advanced.
> - Agents can use the connections people give them, while existing
consent, identity boundaries, and action restrictions remain enforced.

## Linked Issues or Issue Description

Refs #14009 and #14008. This addresses the personal-credential defect.
The separate GitHub organization-identity selection defect is outside
this change.

Related work: #13942 fixed part of new personal-key setup. #14200
independently fixes legacy personal reconnect and protects managed-agent
profile credentials during removal. This PR covers that ownership
invariant across key and secret-URL setup, reconnect, health, discovery,
and invocation, and keeps owner reconnect as the repair path. #14059
tracks requested versus provider-asserted OAuth scopes; it remains
separate work. I searched open PRs and issues for Zapier, Airtable
scopes, connector writes, and personal credential failures.

**What happened?**

A Zapier secret URL saved through personal setup can become a company
secret referenced by a user grant. Health checks bypass the gateway's
ownership check, so the connection appears healthy but calls fail with
`grant_credential_invalid`. Custom-header paths can also receive a
duplicate `credentials.` prefix. Omitted OAuth scopes make write access
depend on provider defaults.

**Expected behavior**

Personal invocation credentials belong to the selected user. Setup,
health, and actual calls enforce the same rule. New connections request
documented permissions for supported read and write actions. Existing
tokens gain no permissions without provider consent.

**Steps to reproduce**

1. Connect Zapier or a generic secret URL with the personal identity.
2. Allow an agent to use the connection and complete setup.
3. Invoke a tool through a run-scoped gateway. The legacy layout fails
ownership validation despite successful setup.

**Paperclip version or commit**

The implementation started from
`44736c9c7c67b7b646ead9d51721db10f5b83835` and was rebased onto master
at `94e8dec56`.

**Deployment mode**

Built from source. Regression tests use isolated PostgreSQL fixtures and
controlled MCP transports.

## What Changed

- Share credential writing, ownership validation, and canonical paths
across initial setup, resume, reconnect, rotation, health, discovery,
and gateway calls. Keep OAuth client-registration secrets separate from
invocation credentials.
- Existing personal connections with company-scoped credentials require
owner reconnect with a fresh key or secret URL. Reconnect creates a
correctly owned value and updates the existing grant and declarations.
There is no automatic ownership backfill or new startup hook.
- Preserve PostgreSQL timestamp precision when reconnect checks whether
a grant changed. Previously, converting the timestamp to a JavaScript
Date could reject reconnect with a false concurrent-change error.
- Protect credentials used by other grants, connections, bindings,
managed-agent profiles, routine triggers, or secret proposals from
connection removal.
- Review all 117 tool methods, including 84 OAuth methods. Record
explicit scopes or documented provider-default exceptions with official
evidence. Add Airtable's seven scopes, Hugging Face repository/job
scopes, and other documented MCP permissions.
- Prefer available write-capable methods. Put explicit read-only choices
under Advanced. Explain pasted-key permissions and offer reconnect for
missing OAuth consent. Preserve existing grants, policies, Google
availability gates, and curated scope allowlists.
- Reconnect generic secret URLs and custom headers using their stored
credential fields. Refresh the catalog after setup, correct reconnect
feedback and error guidance, and let Cancel exit invalid setup while
Save & exit retains draft-saving behavior.
- Apply ownership checks to the new GitHub repository/skill connection
picker. Align the permission audit with the Google scope reductions
merged on master.
- Add run-scoped gateway, ownership, owner-reconnect, OAuth URL,
insufficient-scope, UI, and catalog-wide regression coverage. Update the
connector playbook and permission audit.

## Verification

Latest commit `97bc0b86e0eae0ec892e4ac44beff1a66164b20e` passes all
CI/status gates (55 completed check runs, no failures or pending checks)
and has a completed Greptile review at **5/5 with no outstanding
findings**. GitHub reports the PR as mergeable/CLEAN.

- **Embedded browser:** used the actual server and built UI from this
worktree, a fresh isolated database, and local HTTP MCP fixtures.
Completed personal bearer-key, secret-URL, and custom-header setup;
reproduced the legacy ownership failure; reconnected through the owner’s
form; and completed writes afterward. Read-back was verified for
bearer-key and secret-URL connections. Public organization-wide setup
appeared immediately in Browse without reload. Zapier URL
validation/Cancel and Google’s enrollment gate were also exercised.
- **Persistence and invocation:** verified user ownership, canonical
`credentials.authorization` / `remote.url` / `headers.X-Api-Key`
declarations, and unchanged connection/grant identity. The old company
secrets retain their ownership. Separate HTTP calls through an actual
run-scoped gateway session completed a write and read-back.
- **Backend coverage:** the final gateway suite passes all 82 cases,
including catalog Zapier and generic inline reconnect. It checks
company/user isolation, canonical declarations, same-endpoint URL
validation, fresh credentials, retained restrictions, and real gateway
read/write execution using fixture transport. A timestamp with
PostgreSQL microseconds covers the former false reconnect conflict.
- **Local checks:** 368 catalog, gateway, repository, and UI tests
passed before the final extra Zapier case; 49 GitHub skill access tests
also passed. All three Apps browser regressions pass, including
reconnect through the actual form and catalog visibility without reload.
Full `pnpm -r typecheck`, `pnpm build`, server typecheck after the final
patch, and token gates passed. Full tool-access service runs hit varying
15-second Google fixture timeouts; both affected cases and the updated
reconnect assertion pass in isolation (3 tests). The complete test
matrix passes in CI on this head.
- **Verification limits:** no live provider account was available for
Zapier/Airtable/OAuth consent or account-bound write proof. Public
metadata and local fixtures do not establish provider consent. The
original development database clone failed on a pre-existing missing
`tool_connections_transport_check` constraint; browser acceptance used a
fresh isolated database created by the normal CLI onboarding flow.

## Risks

- Existing broken personal connections stay unusable until their owner
reconnects. Health, discovery, and invocation return an actionable
ownership error; startup does not rewrite credential ownership.
- Scope changes affect new authorization requests. Providers may still
require resource selection, account roles, paid plans, or app
verification. Existing consent and action restrictions remain unchanged.
- Shared credentials are retained rather than reassigned or revoked.
Provider-default exceptions and unavailable live checks are documented
in `doc/connections/CONNECTOR-PERMISSION-AUDIT.md`.
- No new endpoint, database table, lockfile change, or CI workflow
change is included.

## Model Used

OpenAI Codex, based on GPT-6, with reasoning, code editing, shell
execution, web research, and browser tools. The exact deployment model
ID and context window were 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>

2026-09-30 14:32:34 -05:00

DottaandPaperclip

20ccf3f476

feat(apps): add connection grants and delegated identities (#12341 )

## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - External tools need explicit identity and access boundaries.
> - Shared connection credentials cannot represent every user-scoped use
case.
> - Grants must stay company-scoped and support safe delegation.
> - This pull request adds connection grants, identity rules, and their
database contract.
> - The benefit is durable control over which identity an agent may use.

## Linked Issues or Issue Description

Refs #11965

This is stack 3 of 11. It depends on stack 2 and replaces another
reviewable part of #11965.

## What Changed

- Add company and user connection grants.
- Add delegated identity and membership rules.
- Synchronize database, shared, server, and UI contracts.
- Register the grant-member replacement route in the OpenAPI surface in
the same layer that mounts it.
- Add migration 0231 with replay-safe guards and coverage.

## Verification

- `pnpm -r typecheck`
- `pnpm --filter @paperclipai/server exec vitest run
src/__tests__/tool-access-service.test.ts`
- `pnpm --filter @paperclipai/server exec vitest run
src/__tests__/openapi-routes.test.ts` (5 passed)
- `pnpm --filter @paperclipai/db check:migrations`
- `pnpm build`

## Risks

- Incorrect grant selection could expose the wrong credential scope.
- The service enforces company and subject boundaries before credential
use.
- Migration 0231 is generated, ordered after 0230, and safe to replay.

> I checked `ROADMAP.md`. This stack continues the existing app
connection work from #11965 and does not duplicate another planned item.

## Model Used

OpenAI Codex, GPT-5. The runtime model ID and context window were not
exposed. The model used reasoning, tool use, and code execution.

## 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 linked a public issue or pull request with `Refs #`
- [x] I have not referenced internal or instance-local Paperclip issues
or links
- [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
- [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>

2026-08-29 12:08:33 -05:00

DottaandPaperclip

cabc9146d0

feat(apps): add secure remote MCP and PostHog setup (#12339 )

## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Apps give those agents governed access to external tools.
> - Remote MCP setup needs secure endpoint validation and durable
credentials.
> - PostHog needs both browser sign-in and personal API key setup paths.
> - This pull request adds the shared remote MCP foundation and the
PostHog definition.
> - The benefit is a secure and reusable base for later app connection
work.

## Linked Issues or Issue Description

Refs #11965

This is stack 1 of 11. It replaces the first reviewable part of #11965.

## What Changed

- Add guarded remote MCP setup and credential handling.
- Add PostHog OAuth and API key connection methods.
- Add focused server, shared contract, and UI coverage.
- Keep the migration replay-safe and idempotent.
- Give the late-close security regression the same 10-second CI headroom
as the adjacent real-timer handshake test.
- Synchronize fake-timer handshake tests at the exact ensure-session
boundary so real filesystem setup cannot race the fake deadline.
- Drive PTY overflow coverage only after listener registration so
scheduling cannot reorder the test fixture.

## Verification

- pnpm exec vitest run
packages/adapter-utils/src/acpx-engine/execute.test.ts
server/src/__tests__/plugin-worker-manager.test.ts (220 passed; affected
cases also passed five focused stress repetitions)
- `pnpm exec vitest run
packages/adapter-utils/src/acpx-engine/execute.test.ts -t "never leaks a
sandbox-provided value from a late close rejection into logs or the
result"` (1 passed)
- `pnpm exec vitest run
packages/adapter-utils/src/acpx-engine/execute.test.ts -t "never
promotes a late ensureSession resolution|closes a late-resolving real
handle exactly once"` (2 passed)
- `pnpm -r typecheck`
- `pnpm --filter @paperclipai/server exec vitest run
src/__tests__/tool-access-service.test.ts`
- `pnpm --filter @paperclipai/db check:migrations`
- `pnpm build`

## Risks

- Remote endpoint validation can reject configurations that previously
passed without checks.
- OAuth configuration errors can block setup until the operator corrects
the provider settings.
- The migration uses guarded statements so repeated execution is safe.
- The test-only synchronization changes do not affect runtime behavior;
they remove filesystem/fake-clock and listener-registration races
observed under parallel CI load.

> I checked `ROADMAP.md`. This stack continues the existing app
connection work from #11965 and does not duplicate another planned item.

## Model Used

OpenAI Codex, GPT-5. The runtime model ID and context window were not
exposed. The model used reasoning, tool use, and code execution.

## 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 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

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Co-authored-by: Paperclip <noreply@paperclip.ing>

2026-08-29 12:08:32 -05:00