mirror of
https://github.com/shadoll/redmine-mcp.git
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283 lines
8.7 KiB
Python
283 lines
8.7 KiB
Python
#!/usr/bin/env python3
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"""
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Redmine MCP Server
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Exposes Redmine REST API as MCP tools for Claude Code.
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Environment variables:
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REDMINE_URL — base URL, e.g. https://redmine.example.com
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REDMINE_API_KEY — your personal API key (My account → API access key)
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"""
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import os
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import json
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import httpx
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from mcp.server.fastmcp import FastMCP
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REDMINE_URL = os.environ.get("REDMINE_URL", "").rstrip("/")
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REDMINE_API_KEY = os.environ.get("REDMINE_API_KEY", "")
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mcp = FastMCP("redmine")
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# ---------------------------------------------------------------------------
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# Internal helpers
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# ---------------------------------------------------------------------------
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def _headers() -> dict:
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return {
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"X-Redmine-API-Key": REDMINE_API_KEY,
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"Content-Type": "application/json",
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}
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def _get(path: str, params: dict | None = None) -> dict:
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url = f"{REDMINE_URL}{path}"
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with httpx.Client(timeout=15) as client:
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resp = client.get(url, headers=_headers(), params=params or {})
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resp.raise_for_status()
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return resp.json()
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def _put(path: str, body: dict) -> dict:
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url = f"{REDMINE_URL}{path}"
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with httpx.Client(timeout=15) as client:
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resp = client.put(url, headers=_headers(), content=json.dumps(body))
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resp.raise_for_status()
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# Redmine returns 200 with body or 204 with no body
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return resp.json() if resp.content else {}
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# ---------------------------------------------------------------------------
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# Tools
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# ---------------------------------------------------------------------------
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@mcp.tool()
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def get_issue(issue_id: int) -> str:
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"""
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Get a Redmine issue by ID.
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Returns full issue details: title, description, status, priority,
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assignee, progress, dates, custom fields.
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"""
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data = _get(f"/issues/{issue_id}.json")
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issue = data["issue"]
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return json.dumps(issue, ensure_ascii=False, indent=2)
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@mcp.tool()
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def get_issue_statuses() -> str:
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"""
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Get all available issue statuses in Redmine.
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Use this to find the correct status_id before calling update_issue_status.
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"""
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data = _get("/issue_statuses.json")
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return json.dumps(data["issue_statuses"], ensure_ascii=False, indent=2)
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@mcp.tool()
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def update_issue_status(issue_id: int, status_id: int, comment: str = "") -> str:
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"""
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Change the status of a Redmine issue.
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Args:
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issue_id: Redmine issue ID
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status_id: Target status ID (use get_issue_statuses to find IDs)
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comment: Optional comment to add with the status change
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"""
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body: dict = {"issue": {"status_id": status_id}}
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if comment:
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body["issue"]["notes"] = comment
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_put(f"/issues/{issue_id}.json", body)
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return f"Issue #{issue_id} status updated to status_id={status_id}."
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@mcp.tool()
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def update_issue_progress(issue_id: int, done_ratio: int, comment: str = "") -> str:
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"""
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Update the % done (progress) of a Redmine issue.
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Args:
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issue_id: Redmine issue ID
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done_ratio: Progress value 0–100 (percent done)
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comment: Optional comment to add with the update
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"""
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if not 0 <= done_ratio <= 100:
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return "Error: done_ratio must be between 0 and 100."
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body: dict = {"issue": {"done_ratio": done_ratio}}
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if comment:
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body["issue"]["notes"] = comment
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_put(f"/issues/{issue_id}.json", body)
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return f"Issue #{issue_id} progress updated to {done_ratio}%."
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@mcp.tool()
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def get_issue_comments(issue_id: int) -> str:
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"""
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Get all comments (journal notes) for a Redmine issue.
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Returns list of comments with author, date, and text.
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"""
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data = _get(f"/issues/{issue_id}.json", params={"include": "journals"})
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journals = data["issue"].get("journals", [])
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comments = [
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{
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"id": j["id"],
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"author": j["user"]["name"],
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"created_on": j["created_on"],
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"notes": j.get("notes", ""),
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"details": j.get("details", []), # field changes
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}
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for j in journals
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]
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return json.dumps(comments, ensure_ascii=False, indent=2)
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@mcp.tool()
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def add_issue_comment(issue_id: int, comment: str) -> str:
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"""
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Add a comment (journal note) to a Redmine issue.
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Args:
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issue_id: Redmine issue ID
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comment: Text of the comment to add
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"""
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_put(f"/issues/{issue_id}.json", {"issue": {"notes": comment}})
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return f"Comment added to issue #{issue_id}."
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@mcp.tool()
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def assign_issue(issue_id: int, assigned_to_id: int, comment: str = "") -> str:
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"""
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Assign a Redmine issue to a user.
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Args:
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issue_id: Redmine issue ID
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assigned_to_id: User ID to assign to (use get_project_members to find IDs)
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comment: Optional comment to add with the assignment
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"""
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body: dict = {"issue": {"assigned_to_id": assigned_to_id}}
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if comment:
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body["issue"]["notes"] = comment
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_put(f"/issues/{issue_id}.json", body)
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return f"Issue #{issue_id} assigned to user_id={assigned_to_id}."
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@mcp.tool()
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def get_project_members(project_id: str) -> str:
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"""
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Get members of a Redmine project (useful for finding user IDs for assignment).
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Args:
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project_id: Project ID or identifier (slug)
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"""
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data = _get(f"/projects/{project_id}/memberships.json")
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members = [
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{
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"id": m.get("user", {}).get("id"),
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"name": m.get("user", {}).get("name"),
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"roles": [r["name"] for r in m.get("roles", [])],
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}
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for m in data.get("memberships", [])
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if "user" in m # skip group memberships
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]
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return json.dumps(members, ensure_ascii=False, indent=2)
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@mcp.tool()
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def list_issues(
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project_id: str = "",
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status_id: str = "open",
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assigned_to_id: str = "",
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limit: int = 25,
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offset: int = 0,
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) -> str:
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"""
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List Redmine issues with optional filters.
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Args:
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project_id: Filter by project ID or slug (empty = all projects)
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status_id: "open", "closed", "*" (all), or a numeric status ID
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assigned_to_id: Numeric user ID, or "me" for the API key owner
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limit: Max results (1–100, default 25)
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offset: Pagination offset
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"""
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params: dict = {
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"status_id": status_id,
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"limit": min(limit, 100),
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"offset": offset,
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}
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if assigned_to_id:
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params["assigned_to_id"] = assigned_to_id
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path = f"/projects/{project_id}/issues.json" if project_id else "/issues.json"
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data = _get(path, params=params)
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issues = [
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{
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"id": i["id"],
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"subject": i["subject"],
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"status": i["status"]["name"],
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"priority": i["priority"]["name"],
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"assigned_to": i.get("assigned_to", {}).get("name", "—"),
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"done_ratio": i.get("done_ratio", 0),
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"updated_on": i.get("updated_on", ""),
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}
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for i in data.get("issues", [])
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]
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total = data.get("total_count", len(issues))
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return json.dumps({"total": total, "issues": issues}, ensure_ascii=False, indent=2)
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@mcp.tool()
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def update_issue(
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issue_id: int,
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subject: str = "",
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description: str = "",
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priority_id: int = 0,
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due_date: str = "",
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comment: str = "",
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) -> str:
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"""
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Update general fields of a Redmine issue.
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Args:
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issue_id: Redmine issue ID
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subject: New title (leave empty to keep current)
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description: New description (leave empty to keep current)
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priority_id: Priority ID (leave 0 to keep current)
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due_date: Due date in YYYY-MM-DD format (leave empty to keep current)
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comment: Optional journal note
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"""
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payload: dict = {}
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if subject:
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payload["subject"] = subject
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if description:
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payload["description"] = description
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if priority_id:
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payload["priority_id"] = priority_id
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if due_date:
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payload["due_date"] = due_date
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if comment:
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payload["notes"] = comment
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if not payload:
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return "Nothing to update — all fields are empty."
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_put(f"/issues/{issue_id}.json", {"issue": payload})
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return f"Issue #{issue_id} updated: {list(payload.keys())}."
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# ---------------------------------------------------------------------------
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# Entry point
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# ---------------------------------------------------------------------------
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if __name__ == "__main__":
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if not REDMINE_URL or not REDMINE_API_KEY:
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raise RuntimeError(
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"REDMINE_URL and REDMINE_API_KEY environment variables must be set."
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)
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transport = os.environ.get("MCP_TRANSPORT", "stdio")
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if transport == "http":
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mcp.settings.host = os.environ.get("MCP_HOST", "0.0.0.0")
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mcp.settings.port = int(os.environ.get("MCP_PORT", "8000"))
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mcp.run(transport="streamable-http")
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else:
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mcp.run(transport="stdio")
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