redMCP Tool Reference

Use this reference after the redmine-communicator skill triggers and the task requires specific tool selection or setup details.

Runtime

Required environment:

REDMINE_URL=http://redmine.example.test
REDMINE_API_KEY=...

For Streamable HTTP MCP:

MCP_SERVER_TOKEN=...

Stdio server:

redMCP/bin/redmcp-server.php

HTTP server:

MCP_SERVER_TOKEN=... redMCP/bin/redmcp-http-server.php --host 0.0.0.0 --port 8765

HTTP endpoint defaults to /mcp and requires Authorization: Bearer <token>.

Read Tools

redmine_list_projects: list projects.
redmine_get_project: fetch one project by id or identifier.
redmine_list_project_memberships: users/groups and roles for a project.
redmine_list_users, redmine_get_user: user discovery.
redmine_list_issues: structured issue filters with friendly fields like project_id, status, updated, created, sort, limit, and page.
redmine_search, redmine_search_issues: Redmine native text search.
redmine_get_issue: plain issue read.
redmine_issue_with_helpdesk: issue plus Helpdesk ticket/contact/messages.
redmine_list_project_issue_categories, redmine_get_issue_category.
redmine_get_attachment.

Write Tools

redmine_create_issue: create an issue.
redmine_update_issue: update fields or add an internal note. Helpdesk email is opt-in with options.send_helpdesk_email=true.
redmine_send_helpdesk_response: send a customer-visible Helpdesk email.
redmine_create_issue_relation, redmine_remove_issue_relation.
redmine_set_issue_parent, redmine_clear_issue_parent.
redmine_create_issue_category, redmine_update_issue_category.
redmine_upload_attachment, redmine_download_attachment, redmine_update_attachment.

Safety Notes

Customer-visible email requires explicit intent. Prefer internal notes unless the user asks to email the customer.
Deletion tools for issues, projects, users, categories, and attachments are intentionally not exposed. Relation removal only unlinks the relationship.
For Helpdesk workflows, read with redmine_issue_with_helpdesk before replying so the agent sees customer/contact context.
For file uploads, use redmine_upload_attachment with a path, base64 content, data URL, or file envelope. Use data/file inputs for PDFs and non-image files.
redmine_download_attachment requires an explicit path under /tmp or the repository tree and limits optional base64 response size.

Example MCP Client Config

{
  "mcpServers": {
    "redmcp": {
      "command": "/path/to/redMCP/bin/redmcp-server.php"
    }
  }
}

Example Calls

Read Helpdesk-aware issue context:

{
  "name": "redmine_issue_with_helpdesk",
  "arguments": {
    "issue_id": 39858,
    "include": ["journals", "attachments"],
    "message_limit": 100
  }
}

Internal note:

{
  "name": "redmine_update_issue",
  "arguments": {
    "issue_id": 39858,
    "fields": {
      "notes": "Internal follow-up note."
    }
  }
}

Customer-visible Helpdesk reply:

{
  "name": "redmine_send_helpdesk_response",
  "arguments": {
    "issue_id": 39858,
    "content": "Customer-visible response text."
  }
}

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