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zube-mcp

zube-mcp

by reenrik

zube-mcp

MCP server for the Zube.io project management API. Exposes Zube boards, cards, epics, tickets, sprints, and workspaces as tools that AI assistants can call.

Setup

Prerequisites

  • Python 3.10+

  • uv:

    • macOS: brew install uv

    • Windows: powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex" or winget install astral-sh.uv

    • Any platform: pip install uv

  • SSH access to this GitHub repo

1. Get your Zube API credentials

  1. Go to Zube.io → Account Settings → API Keys

  2. Create a new API key — this gives you a Client ID and a private key file (PEM)

  3. Save the private key somewhere safe (e.g. ~/.zube/private-key.pem)

2. Configure in Cursor

Add to your .cursor/mcp.json (project-level or global ~/.cursor/mcp.json):

{
  "mcpServers": {
    "zube": {
      "command": "uvx",
      "args": ["--from", "git+ssh://git@github.com/reachreporting/zube-mcp", "zube-mcp"],
      "env": {
        "ZUBE_CLIENT_ID": "your-client-id-here",
        "ZUBE_PRIVATE_KEY_PATH": "/path/to/your/private-key.pem"
      }
    }
  }
}

Replace the env values with your own Zube credentials. uvx will install the package directly from GitHub — no clone needed.

To pin a specific version, tag a release and append it to the URL:

git+ssh://git@github.com/reachreporting/zube-mcp@v0.3.0

Alternative: local install

If you prefer to clone and run locally:

git clone git@github.com:reachreporting/zube-mcp.git
cd zube-mcp
pip install -e .

Then point the Cursor config at your local path:

"args": ["--from", "/path/to/zube-mcp", "zube-mcp"]

Related MCP server: Fizzy Do MCP

Development

Making changes

After editing the source code, you must bump the version in pyproject.toml for Cursor to pick up changes. This is because uvx caches the built package by version — if the version hasn't changed, it serves the stale cached copy.

# 1. Edit code in zube_mcp/
# 2. Bump version in pyproject.toml (e.g. 0.2.0 → 0.3.0)
# 3. Commit and push
# 4. In Cursor: Settings → MCP → toggle zube off, then on

To verify your changes locally before restarting Cursor:

uvx --from . python3 -c "
from zube_mcp.server import mcp
import inspect
from zube_mcp.server import list_cards
print(inspect.signature(list_cards))
"

Zube API reference

Full API docs: https://zube.io/docs/api

Key concepts for adding new filters:

  • List endpoints support where[field]=value query params for filtering

  • The _build_params() helper in server.py converts a where dict into these query params automatically

  • Array filters (e.g. assignee_ids) use where[field][]=value (handled by _build_params when the value is a list)

  • Card numbers (the #12345 visible in the UI) are distinct from internal card IDs — use where[number] to filter by the visible number

Known Zube API quirks

  • get_card requires the internal card ID, not the visible card number. Use get_card_by_number to look up by the human-visible #number.

  • search_key on list endpoints is a full-text search and can be unreliable for finding cards by number.

  • List responses return items in data array with a pagination object.

  • Rate limit: 1 request/second. Short bursts are tolerated but sustained higher rates will be rejected.

Available Tools

Person & Accounts

Tool

Description

get_current_person

Get the authenticated user's profile

list_accounts

List organizations the user belongs to

get_account

Get details for a specific account

Projects

Tool

Description

list_projects

List projects (optionally by account)

get_project

Get project details

create_project

Create a new project

Workspaces (Kanban Boards)

Tool

Description

list_workspaces

List workspaces (optionally by project)

get_workspace

Get workspace details

create_workspace

Create a new workspace

Cards (Issues / PRs)

Tool

Description

list_cards

List cards with filters (project, workspace, sprint, epic, number, state, search)

list_project_cards

List cards scoped to a project (also supports number filter)

list_triage_cards

List cards in a project's triage

get_card

Get full card details by internal ID

get_card_by_number

Look up a card by its visible #number (e.g. 15293)

create_card

Create a card

update_card

Update a card

move_card

Move a card to a column or triage

archive_card

Archive a card

Card Comments

Tool

Description

list_card_comments

List comments on a card

create_card_comment

Add a comment

update_card_comment

Edit a comment

delete_card_comment

Delete a comment

Epics

Tool

Description

list_epics

List epics for a project

get_epic

Get epic details

create_epic

Create an epic

update_epic

Update an epic

list_epic_cards

List cards in an epic

Sprints

Tool

Description

list_sprints

List sprints for a workspace

get_sprint

Get sprint details

create_sprint

Create a sprint

update_sprint

Update a sprint

Tickets

Tool

Description

list_tickets

List tickets for a project

get_ticket

Get ticket details

create_ticket

Create a ticket

update_ticket

Update a ticket

Labels & Members

Tool

Description

list_labels

List project labels

create_label

Create a label

list_sources

List connected GitHub repos

list_project_members

List project members

list_account_members

List account members

Architecture

zube_mcp/
  auth.py      # RS256 JWT creation for Zube's refresh token flow
  client.py    # Async HTTP client with automatic token management
  server.py    # FastMCP tool definitions (40 tools)

The auth flow:

  1. Sign a 60-second JWT with your private key

  2. Exchange it at POST /api/users/tokens for a 24-hour access token

  3. The client auto-refreshes when the token is near expiry

Available Tools

42 tools
archive_cardC

Archive a card.

Inputs: card_id (required). Returns: object

create_cardB

Create a new card (issue) in a project.

priority: 1-5 (1=highest). category_name: column name on the workspace board.

Inputs: title (required), project_id (required), body, points, +7 more. Returns: object

create_card_commentB

Add a comment to a card.

Inputs: body (required), card_id (required). Returns: object

create_card_relationA

Create a Related Card link between two cards (Zube "Related cards" feature).

card_id: the card that will show the link; linked_card_id: the card it is linked to.

Inputs: card_id (required), linked_card_id (required). Returns: object

create_epicC

Create an epic in a project. color: hex without '#'. due_on: ISO timestamp.

Inputs: title (required), project_id (required), color, due_on, +4 more. Returns: object

create_labelB

Create a label in a project. color: hex code without '#' (e.g. 'FF5733').

Inputs: name (required), color (required), project_id (required). Returns: object

create_projectC

Create a new project within an account.

Inputs: name (required), account_id (required), description. Returns: object

create_sprintB

Create a sprint. Dates are ISO timestamps (e.g. '2026-03-01T00:00:00Z').

Inputs: title (required), end_date (required), start_date (required), workspace_id (required), +1 more. Returns: object

create_ticketC

Create a ticket. type: task/bug/feature/question. priority: 1-4 (1=highest).

Inputs: title (required), project_id (required), due_on, priority, +6 more. Returns: object

create_workspaceA

Create a new workspace (Kanban board) within a project.

Inputs: name (required), project_id (required), description. Returns: object

delete_card_commentB

Delete a comment from a card.

Inputs: card_id (required), comment_id (required). Returns: result

get_accountA

Get details for a specific Zube account (organization).

Inputs: account_id (required). Returns: object

get_cardA

Get full details for a specific card by its internal ID.

Inputs: card_id (required). Returns: object

get_card_by_numberA

Look up a card by its visible card number (e.g. #15293).

Optionally scope to a project_id. Returns full card details including assignees and labels. Returns an error dict if no card is found.

Inputs: number (required), project_id. Returns: object

get_current_personA

Get the currently authenticated Zube user's profile information.

Inputs: no named parameters. Returns: object

get_epicC

Get details for a specific epic.

Inputs: epic_id (required), project_id (required). Returns: object

get_projectA

Get details for a specific project including its workspaces and sources.

Inputs: project_id (required). Returns: object

get_sprintC

Get details for a specific sprint.

Inputs: sprint_id (required), workspace_id (required). Returns: object

get_ticketB

Get details for a specific ticket.

Inputs: ticket_id (required), project_id (required). Returns: object

get_workspaceA

Get details for a specific workspace.

Inputs: workspace_id (required). Returns: object

list_account_membersB

List all members of an account (organization).

Inputs: account_id (required), page, per_page. Returns: object

list_accountsB

List all Zube organizations (accounts) the current user belongs to.

Inputs: page, per_page. Returns: object

list_card_commentsC

List comments on a card.

Inputs: card_id (required), page, per_page. Returns: object

list_cardsA

List cards (issues/PRs) with optional filters.

Filters: project_id, workspace_id, sprint_id, epic_id, number (visible card number), state (open/closed), category_name (column name), search_key (text search). Order by any card field; direction is 'asc' or 'desc'.

Inputs: page, state, number, epic_id, +8 more. Returns: object

list_epic_cardsB

List all cards belonging to an epic.

Inputs: epic_id (required), page, per_page. Returns: object

list_epicsA

List epics for a project. state: open/closed. status: new/queued/in_progress/completed/closed/archived.

Inputs: project_id (required), page, state, status, +1 more. Returns: object

list_labelsB

List all labels for a project.

Inputs: project_id (required), page, per_page. Returns: object

list_project_cardsA

List cards scoped to a specific project with filtering and ordering.

number: filter by visible card number (e.g. 15293). assignee_ids: filter to cards assigned to these person IDs. label_names: filter to cards with these label names.

Inputs: project_id (required), page, state, number, +8 more. Returns: object

list_project_membersB

List all members of a project.

Inputs: project_id (required), page, per_page. Returns: object

list_projectsA

List all projects. Optionally filter by account_id.

Inputs: page, per_page, account_id. Returns: object

list_sourcesA

List all connected GitHub repositories (sources).

Inputs: page, per_page. Returns: object

list_sprintsC

List sprints for a workspace. state: open/closed.

Inputs: workspace_id (required), page, state, per_page. Returns: object

list_ticketsB

List tickets for a project. state: open/closed. status: new/queued/in_progress/completed/closed/archived. priority: 1-4.

Inputs: project_id (required), page, state, status, +3 more. Returns: object

list_triage_cardsA

List cards in a project's triage (unassigned to any workspace column).

Inputs: project_id (required). Returns: object

list_workspacesA

List all workspaces (Kanban boards). Optionally filter by project_id.

Inputs: page, per_page, project_id. Returns: object

move_cardA

Move a card to a column on a workspace board or to project triage.

destination_type: 'category' (move to a board column) or 'project' (move to triage). For 'category', workspace_id and category_name are required.

Inputs: card_id (required), position (required), workspace_id, category_name, +1 more. Returns: object

update_cardA

Update an existing card. Only provided fields are changed.

state: 'open' or 'closed'. priority: 1-5 or null.

Inputs: card_id (required), body, state, title, +8 more. Returns: object

update_card_commentC

Update an existing comment on a card.

Inputs: body (required), card_id (required), comment_id (required). Returns: object

update_epicC

Update an epic. state: open/closed. status: new/queued/in_progress/completed/closed/archived.

Inputs: epic_id (required), project_id (required), color, state, +7 more. Returns: object

update_projectA

Update a project's name, description, or settings.

color: hex code without '#' (e.g. 'FF5733'). Zube requires name on PUT — it is fetched from the current project if not provided.

Inputs: project_id (required), name, color, description, +2 more. Returns: object

update_sprintC

Update a sprint. state: 'open' or 'closed'.

Inputs: sprint_id (required), workspace_id (required), state, title, +3 more. Returns: object

update_ticketB

Update a ticket. state: open/closed. status: new/queued/in_progress/completed/closed/archived.

Inputs: ticket_id (required), project_id (required), state, title, +9 more. Returns: object

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    C2.9/5.0

    Scored across 42 tools

    Disambiguation2/5

    The set includes multiple card-listing tools with overlapping scopes: list_cards, list_project_cards, list_triage_cards, and list_epic_cards. While filters could consolidate these, the redundancy creates ambiguity about which tool to select. Most other tools are clearly distinct.

    Naming Consistency5/5

    All tools follow a consistent verb_noun pattern in snake_case (list_, get_, create_, update_, move_, archive_, delete_). No style mixing or vague verbs; one can predict tool names from the resource.

    Tool Count2/5

    With 42 tools, the surface is heavy for a project management server. Several tools overlap (card listers) and some entities have many CRUD variants, inflating the count beyond what is necessary.

    Completeness3/5

    Core card lifecycle is well covered (create, read, update, move, archive, comment), but notable gaps include no update/delete for workspaces, no label update/delete, and no relation listing/deletion. These are workable but not full CRUD.

    Maintenance

    ActivityInactive
    ResponsivenessNo recent community issues

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