Content
# Plane MCP Server
A [Model Context Protocol](https://modelcontextprotocol.io) server for
[Plane](https://plane.so). Gives an AI agent tools to read and manage projects,
work items, cycles, modules, releases, customers and more.
Built on [FastMCP](https://github.com/jlowin/fastmcp) and the official
[`plane-sdk`](https://pypi.org/project/plane-sdk/).
- **30 tools**, one per Plane resource, covering 207 operations
- **Local or remote** — stdio, streamable HTTP, SSE
- **OAuth or API key** authentication
## Quick start
Get an API key from Plane: **Workspace Settings → API tokens**.
Add this to your MCP client's configuration:
```json
{
"mcpServers": {
"plane": {
"command": "uvx",
"args": ["plane-mcp-server", "stdio"],
"env": {
"PLANE_API_KEY": "<your-api-key>",
"PLANE_WORKSPACE_SLUG": "<your-workspace-slug>"
}
}
}
}
```
`uvx` needs no install step. Requires Python 3.10+.
For a self-hosted Plane, add `"PLANE_BASE_URL": "https://plane.example.com"`.
## Transports
### stdio — local
Runs as a subprocess of your MCP client. Configuration as shown above; needs
`PLANE_API_KEY` and `PLANE_WORKSPACE_SLUG`.
```bash
PLANE_API_KEY=... PLANE_WORKSPACE_SLUG=... uvx plane-mcp-server stdio
```
### HTTP with OAuth — hosted
`https://mcp.plane.so/http/mcp`
The OAuth flow is handled on connect; no credentials in your config. For clients
without native remote MCP support, bridge with `mcp-remote`:
```json
{
"mcpServers": {
"plane": {
"command": "npx",
"args": ["mcp-remote@latest", "https://mcp.plane.so/http/mcp"]
}
}
}
```
Requires Node.js 22+.
### HTTP with a personal access token — hosted
`https://mcp.plane.so/http/api-key/mcp`
| Header | Value |
|---|---|
| `Authorization` | `Bearer <PAT>` |
| `X-Workspace-slug` | `<workspace-slug>` |
```json
{
"mcpServers": {
"plane": {
"command": "npx",
"args": ["mcp-remote@latest", "https://mcp.plane.so/http/api-key/mcp"],
"headers": {
"Authorization": "Bearer <PAT>",
"X-Workspace-slug": "<workspace-slug>"
}
}
}
}
```
### SSE — deprecated
`https://mcp.plane.so/sse` is maintained for backward compatibility only. Use an
HTTP transport instead.
## Tools
The server advertises 30 tools, one per resource. Each takes an `action`
parameter that selects the operation:
```python
workitem(action="create", project_id=..., name="Fix login")
workitem(action="list", project_id=..., pql='state__group = "started"')
cycle(action="archive", project_id=..., cycle_id=...)
```
Every tool's description lists its actions with their required and optional
parameters, so the catalogue is self-documenting at call time.
**→ [Full tool and action reference](plane_mcp/tools/README.md)**
### Querying work items
List, count and search accept **PQL**, Plane's query language:
```python
workitem(action="list", project_id=..., pql='state__group = "started" AND priority = "urgent"')
workitem(action="count", pql='assignees__id = "<member id>"', group_by="state_id")
```
Call `get_pql_reference` for the full syntax, operators and worked examples.
### Upgrading from the per-operation tools
Earlier releases exposed one tool per API operation. **Existing integrations keep
working**: 169 of those 177 names still resolve to the consolidated tool, so a
saved prompt or script calling `create_work_item` or `list_cycles` needs no
change. They are no longer advertised, and they keep the parameter names they
shipped with (`work_item_id`, not `workitem_id`).
Seven names chose between two operations with a parameter
(`manage_project_archive(archive=False)`), which one tool-and-action pair cannot
reproduce; calling one tells you its replacement. `get_pql_reference` is
unchanged.
## Configuration
### Authentication
| Variable | Required for | Purpose |
|---|---|---|
| `PLANE_API_KEY` | stdio | API key |
| `PLANE_WORKSPACE_SLUG` | stdio | Target workspace |
| `PLANE_BASE_URL` | optional | Plane API URL (default `https://api.plane.so`) |
The remote transports carry credentials in the connection — the OAuth flow or the
PAT headers — and need none of these.
### Outbound proxy for attachment uploads
`HTTP_PROXY` / `HTTPS_PROXY` / `NO_PROXY` (and their lowercase forms) are honored
for the attachment-upload-from-URL fetch (`upload_from_url`). When a proxy
applies to a given request, **the proxy — not this server — is that request's
SSRF control**: the server does not pin or validate the target's resolved
address itself, since the proxy connects to and resolves the target
independently. Scope `NO_PROXY` and proxy egress policy accordingly.
Self-hosting the server itself:
| Variable | Purpose |
|---|---|
| `PLANE_INTERNAL_BASE_URL` | Internal URL for server-to-server calls, preferred over `PLANE_BASE_URL` |
| `REDIS_URL` | OAuth token storage as one connection URL (`redis://` or `rediss://` for TLS); wins over host/port |
| `REDIS_HOST` / `REDIS_PORT` | OAuth token storage; falls back to in-memory |
| `PLANE_OAUTH_PROVIDER_*` | OAuth client credentials and base URL |
| `MCP_PATH_PREFIX` | Path prefix for the HTTP routes, when mounted behind a proxy — `/plane` serves `/plane/http/mcp` |
### OAuth redirect URIs
The OAuth transports validate each client's redirect URI against an allowlist.
Common clients (Cursor, VS Code, Claude.ai, ChatGPT connectors, localhost) are
allowed by default.
To onboard a new client without a release, append patterns:
```bash
export PLANE_OAUTH_ALLOWED_REDIRECT_URIS="https://newclient.com/cb,https://other.app/oauth/*"
```
`*` matches any port, path segment or subdomain. Keep the host pinned and
wildcard only the port or path.
### Logging
Structured JSON. Each tool call logs its name, duration, status and — when
available — an opaque user id and the workspace slug.
```bash
export LOG_USER_INFO=false # also log the display name (PII);
export LOG_PAYLOADS=false # keep request payloads out of logs; default true
```
Only the OAuth and PAT transports carry a display name; stdio is unaffected.
## Development
```bash
git clone https://github.com/makeplane/plane-mcp-server
cd plane-mcp-server
uv pip install -e ".[dev]"
```
Run the server against a workspace:
```bash
PLANE_API_KEY=... PLANE_WORKSPACE_SLUG=... python -m plane_mcp stdio
python -m plane_mcp http # port 8211
```
Tests, format, lint:
```bash
pytest # no network or credentials needed
ruff format plane_mcp/ tests/ # line length 120
ruff check plane_mcp/ tests/ # rules E, F, I, UP, B
```
The suite runs fully offline — every action of every resource is
executed against a stand-in that binds each call against the genuine `plane-sdk`
signature. See [`plane_mcp/tools/README.md`](plane_mcp/tools/README.md#tests).
Live integration tests are skipped unless you point them at a running server:
```bash
export PLANE_TEST_API_KEY=... PLANE_TEST_WORKSPACE_SLUG=...
export PLANE_TEST_MCP_URL=http://localhost:8211 # optional; this is the default
pytest tests/test_integration.py -v
```
They write real data to that workspace.
### Repository layout
| Path | Contents |
|---|---|
| `plane_mcp/__main__.py` | entry point; picks the transport from `argv[1]` |
| `plane_mcp/server.py` | one factory per transport |
| `plane_mcp/client.py` | resolves credentials into a `plane-sdk` client |
| `plane_mcp/auth/` | OAuth provider and header auth |
| `plane_mcp/tools/` | the tool surface: one module per Plane resource |
| `plane_mcp/toolkit/` | shared building blocks for the tool surface |
| `plane_mcp/pql_reference.py` | PQL syntax reference served to models |
## Contributing
Pull requests welcome. Please run `pytest` and `ruff check` before submitting; new
tools should come with the invariants described in
[`plane_mcp/tools/README.md`](plane_mcp/tools/README.md).
See [CONTRIBUTING.md](CONTRIBUTING.md) and [CODE_OF_CONDUCT.md](CODE_OF_CONDUCT.md).
## Migrating from the Node.js server
`@makeplane/plane-mcp-server` (Node.js) is deprecated and unmaintained. This
Python implementation replaces it.
| Node.js | Python |
|---|---|
| `PLANE_API_KEY` | `PLANE_API_KEY` |
| `PLANE_API_HOST_URL` | `PLANE_BASE_URL` |
| `PLANE_WORKSPACE_SLUG` | `PLANE_WORKSPACE_SLUG` |
Replace the `command` and `args` with the stdio configuration in
[Quick start](#quick-start).
## License
MIT — see [LICENSE](LICENSE).
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