* 🎉 Add OAuth support for remote MCP connections
Add MCP-specific discovery, client registration, and approval endpoints.
Exchange single-use authorization codes with PKCE for the fixed MCP user
token, enabling MCP and creating the token on approval when needed.
Use self-contained client IDs without new database tables or stored client
records. Keep temporary authorization state in Redis/Valkey.
Accept bearer credentials while preserving query-parameter connections.
Enable OAuth through PENPOT_MCP_AUTH_URI in multi-user mode. Document the
environment variable in the README and implementation details in Serena.
Explain protocol and concurrency decisions in the Clojure code. Cover token
provisioning, OAuth state, client registration, HTTP flows, and the approval
page with tests.
AI-assisted-by: gpt-6
* 🐛 Wait for devenv initialization before starting builds
Docker reports a container as Running as soon as its main process starts,
while the entrypoint may still be preparing the development environment.
manage.sh used that status to launch tmux jobs, allowing frontend builds
to race with ownership changes to /opt/rustup and Cargo setup.
On a fresh container, rustup could fail with Permission denied before the
frontend watcher started. Nginx would later serve the existing JavaScript,
leaving source changes absent from the running app despite restarting
devenv.
Wait for nginx's local health endpoint before launching the jobs. Nginx
starts after entrypoint setup, so its response confirms that setup has
finished. Allow up to 120 seconds and report a timeout without starting
the jobs if initialization does not complete.
Validation: shell syntax and whitespace checks pass.
AI-assisted-by: gpt-6
* ♻️ Share the login modal with MCP authorization
Extract the viewer login modal and its styles into a shared auth
component, retaining the viewer wrapper and its close behavior.
Use the modal on the MCP approval page and preserve the pending request
through login. Closing it clears the saved return URL and shows a
cancellation message without further actions.
Cover return URL handling and cancellation with frontend tests.
AI-assisted-by: gpt-6
* ✨ Show client icons in MCP authorization
Preserve HTTPS logo URLs from client registration and published metadata
and show the icon beside the application name on the approval page.
Ignore unusable URLs and hide failed images without blocking approval.
Update the access description to refer to MCP connections established
from Penpot. Cover logo metadata and approval responses in backend tests.
AI-assisted-by: gpt-6
* 🐛 Follow the system theme when no preference is configured
Default to the system theme in the shared resolver used by the app and
plugins. Preserve explicit light and dark choices, including the legacy
default value that means dark.
Reuse the reactive theme hook in progress widgets and show the system
preference in settings for accounts without a configured theme.
Verify preference resolution with regression tests and browser checks.
All 1,474 frontend tests pass.
AI-assisted-by: gpt-6
* 🐛 Replace expired MCP tokens during OAuth approval
Settings can give an MCP token an expiry date. OAuth approval reused
the newest MCP token without checking it, so an expired token reached
the client and never matched a plugin connection.
Approval now treats an expired token as missing and creates a new one.
Token exchange rejects a code whose token expired after approval with
invalid_grant.
AI-assisted-by: claude-opus-5-5
* 🐛 Log unexpected errors on MCP OAuth endpoints
The OAuth routes sit outside the shared HTTP middleware, so the shared
error handler never saw them, and their own handler turned unexpected
failures into a 503 without logging anything. Failures in the session
middleware of the approval endpoints had no handler at all.
Unexpected failures now also go through the shared error handler for
its logging, while clients still get an OAuth error body. The OAuth
error handler also wraps the session middleware of the approval
endpoints.
AI-assisted-by: claude-opus-5-5
* 🔧 Add devenv script to run the MCP server with OAuth
start-mcp-devenv-oauth starts the MCP server in multi-user mode with
PENPOT_MCP_AUTH_URI derived from PENPOT_PUBLIC_URI, to test OAuth in
the devenv. Agentic tooling still uses the single-user
start-mcp-devenv.
AI-assisted-by: claude-opus-5-5
* 🐛 Fix failing test case
---------
Co-authored-by: alonso.torres <alonso.torres@kaleidos.net>
Discovery:
- Add listProjects and project-scoped listFiles with content:read checks.
- Return metadata from existing RPCs in dashboard and workspace contexts.
- Reject invalid IDs and preserve backend access errors.
Documentation:
- Keep usage in API type comments and include regenerated MCP API docs.
- Remove README implementation details and consolidate the changelog.
- Add usage information to the MCP server's initial instructions
Validation:
- Pass 8 frontend tests, 81 runtime tests and the runtime build.
- Verify both APIs through live MCP calls in dashboard and workspace.
- Pass type, lint, formatting and diff checks.
AI-assisted-by: gpt-6
Signed-off-by: Dominik Jain <dominik.jain@oraios-ai.de>
Global plugin lifecycle:
- Add optional manifest scope "global" for plugins that remain active
across dashboard and workspace navigation within one browser tab.
Existing plugins retain workspace scope by default.
- Preserve global sandboxes when a workspace ends or another plugin
loads, including when that other plugin fails to initialize.
- Avoid duplicate instances of an already-running global plugin.
- Close global plugins on explicit closure or logout, with idempotent
cleanup of listeners, timers and UI resources. Global scope does not
imply automatic startup or persistence across a browser reload.
Plugin API and navigation:
- Keep a permanently live penpot facade whose getters follow the current
workspace, while user, theme and UI facilities remain available on
the dashboard.
- Expose penpotMgmt to global plugins with workspace metadata,
none/loading/ready status and workspacechange subscriptions.
- Add awaitable openFile(fileId, {teamId}) navigation in the current tab,
defaulting to the current team and resolving only once the requested
file and its active page are ready.
- Reject invalid identifiers, failed or superseded navigation and waits
exceeding 30 seconds; release navigation watchers on completion.
- Guard workspace-bound operations while no workspace is ready and
return null from root, currentFile and currentPage in that state.
- Require content:read for the initial management API. Callers must
reacquire file, page and shape references after changing files.
MCP lifecycle and connection controls:
- Make MCP a global plugin and initialize its integrated controller per
authenticated application session instead of per workspace.
- Load the enabled integration with a valid token on the dashboard as
well as in a file, retaining its existing hidden-iframe implementation.
- Keep enabling and connecting separate: an enabled plugin starts idle,
and each tab connects explicitly through dashboard or workspace
controls.
- Preserve the iframe, WebSocket, heartbeat and reconnect machinery
during navigation; disconnect on request and close on disable/logout.
MCP sessions and execution:
- Derive the short MCP session ID solely from currentUser.sessionId,
excluding the file ID. Retain the SHA-256-based, 50-bit Base32 encoding
to produce a stable, copyable 10-character identifier.
- Allow sessions without an open file and update workspace metadata over
the existing connection without replacing its routing identity.
- Refresh context after the connection handshake so initialization does
not leave stale file metadata.
- Expose penpotMgmt to execute_code, preserve execution storage across
navigation and skip layout waits when no workspace is ready.
- Update API types, tool guidance, documentation and the changelog.
Validation:
- Cover authenticated startup, workspace survival, logout cleanup,
readiness, navigation failure, duplicate loads and session routing.
- Verify that short IDs remain stable across files and reconnects and
that disconnect cancels pending asynchronous ID initialization.
- Pass 16 focused frontend tests, 73 runtime tests, 30 MCP plugin tests,
builds, TypeScript checks and frontend/runtime lint.
- Pass all 73 MCP server tests with --test-force-exit; the normal runner
still stays alive after assertions finish.
- Verify a live dashboard-to-file-to-dashboard round trip without a
document or iframe reload, preserving facade identity and storage.
AI-assisted-by: gpt-6
* 🎉 Add multi-file session routing to the MCP server
Session routing:
- Track each user's Penpot connections by session ID.
- Dispatch explicit sessions directly; otherwise discover the sole session.
- Return a retryable error when discovery fails or is incomplete.
Plugin and tools:
- Initialize connections with a fresh session ID and file metadata.
- Share the optional sessionId schema and place it last in tool inputs.
Validation:
- 84 tests, server type checking, and MCP formatting checks pass.
- Disable test logging to avoid the logging worker shutdown hang.
AI-assisted-by: gpt-6
* 🎉 Support independent MCP connections
- Require explicit connection intent for each integrated workspace.
- Derive short session IDs from the Penpot app instance and file.
- Show and copy session IDs in the MCP menu and standalone plugin UI.
- Stop stale callbacks and reconnect attempts after disconnect.
Validate with frontend and plugin tests, type checking, live multi-tab
checks, and standalone UI checks with a simulated connection. Server
tests pass with --test-force-exit; the normal runner can hang on shutdown.
AI-assisted-by: gpt-6
* 📚 Document multi-file MCP sessions
- Explain independent connections, session selection, and copying IDs.
- Describe session ID lifetimes for integrated and standalone plugins.
- Correct browser focus, connection, and recovery guidance.
Validate with the documentation site build and diff checks.
AI-assisted-by: gpt-6
* ✨ Change behavior on session ID duplication
* ✨ Open MCP toolbar menu on hover and match menu style
---------
Co-authored-by: alonso.torres <alonso.torres@kaleidos.net>
Co-authored-by: elhombretecla <delacruzgarciajuan@gmail.com>
* Make the scope of the usage instructions clear (local usage)
* Provide overview of the server's different modes of operation
* Improve npm release instructions
* Remove deprecated multi-user mode documentation
* ⬆️ Upgrade MCP SDK to v2 and remove HTTP sessions
MCP's per-request protocol removes the need to retain HTTP sessions.
Use the v2 handler to manage each request's transport and lifecycle,
so requests can reach any server instance without session affinity
or the workaround that adopts sessions through private SDK fields.
Keep legacy SSE support and the shared plugin and Redis bridges.
Remove the shared expiry checker, including legacy SSE idle expiry;
SSE connections now remain until disconnection or server shutdown.
Verify stateless requests, token isolation, and legacy compatibility.
Resolves#11827
AI-assisted-by: gpt-6-astra
* 🔥 Remove legacy MCP SSE support
Use Streamable HTTP as the sole MCP client transport so the server no
longer needs a separate SSE connection registry or lifecycle.
Remove /sse and /messages, their nginx routes, and the server-legacy
dependency. Legacy SSE clients must switch to /mcp; older Streamable
HTTP clients remain supported. Document the migration and verify that
the removed endpoints return 404.
Resolves#11846
AI-assisted-by: gpt-6-astra
The unauthenticated REPL server started in --multi-user mode whenever DEVENV or REPL_ENABLE was set, unlike developer tools which are already blocked there. Gate its creation behind shouldStartReplServer, mirroring the developer tools policy, so it never starts with --multi-user. Give it a dedicated PENPOT_MCP_REPL_HOST knob defaulting to localhost so it no longer inherits the main server 0.0.0.0 bind in Docker, keep the devenv script on 0.0.0.0, and document and test the new behavior. Closes#11631 AI-assisted-by: muse-spark-1.3-contributor
* ⬆️ Update devenv dependencies
Update Node.js, OpenCode, clj-kondo, Babashka, Pixi, GitHub CLI, uv,
and Serena to their current stable releases.
AI-assisted-by: gpt-5.6-sol
* ⬆️ Update devenv to Java 27
Use Zulu JDK 27 in the development image for compatibility testing.
Update the official checksums for both supported architectures.
AI-assisted-by: gpt-5.6-sol
* 🐳 Replace MinIO with RustFS in devenv
Run RustFS as the development S3 service and wait for its health check.
Install a pinned AWS CLI with checksums and use it to create the bucket
idempotently from each backend entry point.
Keep the old MinIO volume untouched and use a new RustFS volume.
AI-assisted-by: gpt-5.6-sol
* 🐳 Replace MailCatcher with persistent Mailpit
Run Mailpit as the devenv SMTP sink while preserving mailer:1025 and the
localhost:1080 UI.
Store its SQLite inbox in a named volume and wait for the readiness
endpoint before starting runtime containers. Bind the web UI to loopback so
development emails stay local.
AI-assisted-by: gpt-5.6-sol
* ⬆️ Update Node.js to 24.21.0
Align the host NVM version with the Node.js version used by devenv.
AI-assisted-by: gpt-5.6-sol
* ⬆️ Update devenv to PostgreSQL 18.6
Run PostgreSQL 18 with its versioned volume layout and a TCP readiness
check that ignores the temporary initialization server.
Install the matching client, create penpot_nexus, and preserve the old
PostgreSQL 16 volume for rollback or logical migration.
AI-assisted-by: gpt-5.6-sol
* 🐳 Expose RustFS ports in devenv
Publish the RustFS S3 API and management console on localhost port 9000
and 9001.
Keep both bindings on loopback so object storage is not exposed to the local
network.
AI-assisted-by: gpt-5.6-sol
* 🐳 Install standalone pnpm in devenv
Install pnpm 12.5.0 from architecture-specific release archives and
verify their published checksums.
Remove the Corepack setup while allowing pnpm to honor the project
packageManager pins.
AI-assisted-by: gpt-5.6-sol
* 🔥 Remove corepack, use system pnpm everywhere
Corepack is gone from Node 25+, so every `corepack enable` call
fails. pnpm now ships as a system binary (devenv, CI runners and
Docker images install it directly) and auto-downloads the version
pinned in `packageManager` on mismatch.
Scripts, workflows and Dockerfiles call `pnpm` straight away; the
three deploy workflows use a single `pnpm/setup@v2` step; and the
new `scripts/sync-pnpm-version` stamps all 35 `packageManager`
fields from the system pnpm, replacing the `corepack use` sweep.
AI-assisted-by: muse-spark-1.3-contributor
* 🐛 Fix exporter watch missing render-wasm build step
The exporter watch compiled CLJS requiring the generated
src/app/wasm/shared.js, which only render-wasm/build export
produces. Without it shadow-cljs failed with a cryptic missing
./shared.js dependency. Run build:wasm before watching, as
the frontend watch:app and exporter scripts/build already do.
AI-assisted-by: muse-spark-1.3-contributor
* 🔧 Add opencode V2 support and adapt plugins
Register the penpot tools for both opencode V1 (server())
and V2 (setup() with JSON Schema inputs) from a single
dependency-free plugin file, sharing the psql and
paren-repair runners between both paths.
Install the opencode2 binary side-by-side with V1 in the
devenv image and document the dual registration in the
paren-repair and psql memories.
AI-assisted-by: muse-spark-1.3-contributor
* ⬆️ Update pnpm and opencode
Prevent developer tools from being exposed when the MCP server runs in multi-user mode. Keep them available for local devenv usage and document the mode restriction. Add regression coverage for the registration policy.
Closes#11291
AI-assisted-by: gpt-5.6-luna
Co-authored-by: niwinz <843689+niwinz@users.noreply.github.com>
* 🐛 Gate MCP REPL server behind isDevEnv check
The ReplServer was starting unconditionally on every MCP server
instance, regardless of configuration. This exposed an
unauthenticated POST /execute endpoint that forwarded arbitrary
JavaScript to connected Penpot plugins.
Gate ReplServer creation, startup, and shutdown behind isDevEnv(),
consistent with how CljsReplTool and other dev tools are already
protected. Log an info message when the REPL server is disabled.
Consolidate the dev-env check into a single static isDevEnvEnabled()
method that isDevEnv() delegates to, avoiding duplicate logic. Add
PluginBridge.close() for proper WebSocket server cleanup on shutdown.
Add regression tests that construct PenpotMcpServer and verify
hasReplServer() returns the correct value based on the dev-env flag.
AI-assisted-by: mimo-v2.5-pro
* ✨ Add PENPOT_MCP_REPL_ENABLE env var for explicit REPL control
Allow the REPL server to be enabled independently of the devenv
setting via a new PENPOT_MCP_REPL_ENABLE environment variable.
When set to "true", the REPL server starts regardless of
PENPOT_MCP_DEVENV; when set to any other value, it is disabled.
When unset, the previous isDevEnv fallback applies.
Addresses review feedback on PR #11282.
AI-assisted-by: mimo-v2.5-pro
The timeout for tool calls (which is trictly relevant for plugin tasks only)
is now configurable via env. var PENPOT_MCP_TOOL_TIMEOUT_S.
The default was raised from 30 to 120, because 30 seconds was not enough for
some calls, especially in larger Penpot files. #10953
Add a `client-setup` command to the published `@penpot/mcp` package.
When invoked as `penpot-mcp client-setup`, the bin delegates to the `add-mcp`
CLI against the local MCP server URL (from `PENPOT_MCP_SERVER_PORT`, default
4401), run via npx.
Update docs on MCP client configuration.
Recommend calling `add-mcp` directly for now, since the `client-setup` command
only becomes available once a new `@penpot/mcp` release is published to npm.
AI-assisted-by: Claude
Co-authored-by: Michael Panchenko <michael.panchenko@oraios-ai.de>
* 📎 Ignore .iml files (IntelliJ module files)
* 🎉 Enable multi-instance horizontal scaling for MCP server
Allow the MCP server to run as multiple instances behind a plain
round-robin load balancer, removing the previous requirement that a
user's plugin WebSocket and MCP client connection terminate on the same
instance. Behaviour is unchanged when run as a single instance or
without Redis.
Cross-instance MCP sessions: when a request arrives with an
mcp-session-id that was initialised on another instance, the session is
adopted locally instead of rejected. The user token is read from the
query parameter (present on every request, as the configured endpoint
URL is never rewritten), so no shared session store is needed; the
transport is pre-initialised so the SDK's validateSession() accepts it.
Cross-instance task routing: when a Redis URI is configured in
multi-user mode, plugin task requests are routed via Redis pub/sub keyed
by user token. The instance holding a plugin's WebSocket subscribes to
that token's request channel; any instance handling a tool call
publishes the request and awaits the response on a per-request channel.
RedisBridge is a pure transport for the existing serialised
PluginTaskRequest/Response objects. PluginTask is split into an abstract
base plus a local (promise-backed) PluginTask and a RemotePluginTask
whose resolve/reject publish the outcome back over Redis, so the
existing local dispatch and response-correlation paths are reused
unchanged on the executing instance.
Refs #10000
* ✨ Bound the size of plugin task responses
When using the integrated remote MCP server, bound response size.
All responses are passed to LLMs, which themselves impose bounds.
This is a measure to bound memory usage in the centrally provided
MCP server.
GitHub #9493
* ✨ Bound parallelism in ExportShapeTool
Use an integer semaphore to bound parallel requests to this
memory-intensive tool, thus bounding memory usage.
GitHub #9493
* ✨ Add (manual) integration test script for ExportShapeTool parallelism
Add dependency tsx to facilitate executions.
GitHub #9493
* ✨ Make number of parallel export requests configurable in ExportShapeTool
Use env var PENPOT_MCP_EXPORT_SHAPE_MAX_PARALLEL_REQUESTS to configure
the maximum number of requests in multi-user mode (default 0, no limit).
New tool to evaluate ClojureScript expressions by connecting to the
nREPL service already provided in devenv.
Add dependency 'nrepl-client' and a corresponding client class
as well as types to support this.
Add a new environment variable for 'devenv mode', which enables
the new tool (PENPOT_MCP_DEVENV).
* ✨ Improve MCP server logging
Log only fingerprints of user tokens
* ✨ Add Loki transport support to MCP server logger
Loki logging is enabled iff PENPOT_LOGGERS_LOKI_URI is non-empty.
File logging is now enabled iff PENPOT_MCP_LOG_DIR is set to a non-empty value
(previously defaulted to the "logs" directory when unset).
GitHub #9415
* ✨ Improve MCP server logging
Log only fingerprints of user tokens
* ✨ Add Loki transport support to MCP server logger
Loki logging is enabled iff PENPOT_LOGGERS_LOKI_URI is non-empty.
File logging is now enabled iff PENPOT_MCP_LOG_DIR is set to a non-empty value
(previously defaulted to the "logs" directory when unset).
GitHub #9415
* 📚 Update description of mcp-remote usage
* Use Streamable HTTP endpoint instead of SSE
* Remove redundant global installation
* 📚 Add recommendations on model selection
* 📚 Use new tags in npx launch commands
The root lock file not being present causes issues, because
the sub-project dependencies are managed by it.
The lack of inclusion of pnpm-lock.yaml was the root cause of #8829.
A dependency was updated incompatibly, breaking the release.
Since npm pack has a hard exclusion rule for pnpm-lock.yaml,
we include it under a different name and restore it at runtime.
If the MCP version (as given in mcp/package.json) does not match
the Penpot version (as given by penpot.version), display a warning
message in the plugin UI.
This is important for users running the local MCP server, as it
is a common failure mode to combine the MCP server with an
incompatible Penpot version.
* 🎉 Prepare npm package for MCP server
* 🐛 Re-establish Windows compatibility of MCP server build script
Use node instead of cp to copy files
* ✨ Set version for MCP npm tarball based on git tag
* Add scripts/set-version to set the version in package.json
based on git describe information
* Add scripts/pack to perform the packaging
* Do not state that pnpm must be available after Node.js installation
(it is installed by corepack)
* Do not state that caddy is required; it is required only when
rebuilding the API documentation for the server, which is not
a task relevant to regular users.
* Do not strongly suggest that MCP users should be using the devenv.
* Windows: Add pointer to use Git Bash
The types build is not part of the bootstrap, and it is not
relevant to regular users (only to developers).
Information on how to apply it is now in types-generator/README.md
