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Connect OpenProject to Claude via MCP: Tasks and Time

OpenProject: projects, work packages with their activities, versions, time entries, users and statuses, queried with OpenProject's filter grammar. API v3, Basic auth with the literal username `apikey`.

HCBy HelpCode teamUpdated 3 min read Open-source on GitHub
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OpenProject

OpenProject

OpenProject: projects, work packages with their activities, versions, time entries, users and statuses, queried with OpenProject's filter grammar. API v3, Basic auth with the literal username `apikey`.

tools

10

Region

DE

Category

Project Management

Authentication

Basic Auth

Required env vars

OPENPROJECT_URLOPENPROJECT_API_KEY
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  • Works with ChatGPT, Claude, Gemini
    Any MCP-compatible client

Skip the install. Get this working in under 2 minutes.

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AnythingMCP is listed in Claude's connector directory: add it to Claude in one click (opens in a new tab), then sign in and choose which MCP servers Claude may use.

Summary

OpenProject: projects, work packages with their activities, versions, time entries, users and statuses, queried with OpenProject's filter grammar. API v3, Basic auth with the literal username `apikey`.

Try asking

Example prompts for OpenProject

Click any prompt to copy it. Paste into Claude, ChatGPT, Cursor, Gemini, Copilot or OpenClaw to run it against this connector.

OpenProject · live via MCP
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Opus 4.7

Claude is AI and can make mistakes. Please double-check responses.

💡 No install? Use cloud.anythingmcp.com directly. Sign in, click Connectors → OpenProject, paste your credentials, mint an MCP API key — done. No Docker, no git clone, no local server.

OpenProject + Claude

OpenProject: projects, work packages with their activities, versions, time entries, users and statuses, queried with OpenProject's filter grammar. API v3, Basic auth with the literal username apikey.

Prerequisites

See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:

OPENPROJECT_URL, OPENPROJECT_API_KEY

Step 1 — Get credentials

Getting a key

  1. In OpenProject open My Account → Access tokens and generate an API token.
  2. Set OPENPROJECT_URL to your instance root (no trailing slash) and OPENPROJECT_API_KEY to the token.

The Basic-auth username is the literal string apikey. Not your login name — the word apikey, with the token as the password. This adapter does it for you, and it is the first thing to check when a token you know is valid returns 401.

Permissions follow the user. The token inherits its owner's project memberships and roles. A project the user is not a member of is simply absent from the results, not an error.

…(continued in the in-app connector instructions)

Step 2 — Install the adapter

curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d

Step 3 — Add the connector in Claude

Your server URL: in AnythingMCP, open MCP Servers → the server this connector is on, and copy its URL (https://cloud.anythingmcp.com/mcp/…). Use it wherever this guide shows YOUR_SERVER_ID.

Recommended path — works on claude.ai web without editing any config file.

  1. In Claude, open Customize → Connectors.
  2. Click +, then Add custom connector.
  3. Enter a name, e.g. OpenProject, and the remote MCP server URL https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID, then click Add.
  4. Click Connect and sign in to AnythingMCP (OAuth) to allow access.

All tools below appear in your chat — start typing prompts.

Available tools

ToolWhat it does
openproject_get_meRead the user the API token belongs to, with their name, e-mail, language and admin flag
openproject_list_projectsList projects with their identifier, name, status, description and active flag
openproject_list_work_packagesList work packages — tasks, bugs, features, milestones — across all projects, with their type, status, assignee, dates and priority
openproject_list_project_work_packagesList the work packages inside one project — the usual scope for 'what is open on this project' and much cheaper than filtering globally
openproject_get_work_packageRead one work package in full: description, type, status, assignee, dates, estimated and spent time, and its custom fields
openproject_list_work_package_activitiesRead the activity stream of one work package: every comment and field change in order, with author and timestamp
openproject_list_time_entriesList logged time entries with their user, work package, date, hours and comment — the raw data behind any effort report
openproject_list_versionsList versions (releases and sprints) with their name, status, due date and the project they belong to
openproject_list_usersList users with their name, e-mail, login and status, to resolve who a work package is assigned to
openproject_list_statusesList the work-package statuses this instance defines, with their id, name and whether each counts as closed

FAQ

Does it work with Claude Code as well as Claude Desktop? Yes — point both at https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID.

Next steps

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