# OpenProject vs Teamwork.com

> Teamwork.com scores 65.9 (B) on agent readiness against OpenProject's 57.4 (C), and leads in 2 of 7 scored categories. OpenProject leads on transparency & trust. Both do tasks create. Category scores, facts, verdicts and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/openproject-vs-teamwork
- Markdown: https://www.anchorterminal.com/compare/openproject-vs-teamwork.md (~2,550 tokens)
- Slim: https://www.anchorterminal.com/compare/openproject-vs-teamwork.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/openproject-vs-teamwork.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-09

Teamwork.com scores 65.9 (B) on agent readiness against OpenProject's 57.4 (C), and leads in 2 of 7 scored categories. OpenProject leads on transparency & trust. Both do tasks create.

- OpenProject: grade C, 57.4/100, rank #550 of 842. Markdown https://www.anchorterminal.com/tools/openproject.md · JSON https://www.anchorterminal.com/api/v1/tools/openproject.json
- Teamwork.com: grade B, 65.9/100, rank #284 of 842. Markdown https://www.anchorterminal.com/tools/teamwork.md · JSON https://www.anchorterminal.com/api/v1/tools/teamwork.json

## Which one, for what

### OpenProject (C)

Good for: Teams that want a self-hostable or EU-hosted project tool with Gantt, time tracking and budgets, and an agent working through a documented REST API.

Ahead on:
- Transparency & trust, 87 against 80

Also in its favour:
- Open source

Watch for: 83 advisories published against opf/openproject in the twelve months to 8 October 2026, 13 rated critical, among them remote code execution and SQL injection

### Teamwork.com (B)

Good for: Agencies and services firms already on Teamwork.com that want an assistant to create and update tasks, log time, read workload and budgets, and answer Desk tickets.

Ahead on:
- Reliability, 73 against 52
- Maintenance & community, 88 against 75

Also in its favour:
- A hosted endpoint, with nothing to install
- Runs on your own machine
- Free to start without a card
- No incidents deducted, where OpenProject loses 5 points for them

Watch for: OAuth scopes are per product only (`projects`, `desk`, `spaces`, `chat`), and the token from the app login flow is described as permanent


## Score by category

| Category | Weight | OpenProject | Teamwork.com | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 52 | 73 | Teamwork.com +21 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 76 | 72 | OpenProject +4 |
| Agent ergonomics | 13% (16.2 this run) | 70 | 68 | OpenProject +2 |
| Security & auth | 14% (17.5 this run) | 59 | 58 | OpenProject +1 |
| Payments & pricing | 10% (12.5 this run) | 30 | 30 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 75 | 88 | Teamwork.com +13 |
| Transparency & trust | 7% (8.8 this run) | 87 | 80 | OpenProject +7 |
| Negative events | ≤15 | -5 | 0 | |
| **Total** | | **57.4 · C** | **65.9 · B** | |

## Facts side by side

| Fact | OpenProject | Teamwork.com |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | OpenProject GmbH | Teamwork Crew Limited |
| Hosted endpoint | no (local only) | `https://mcp.ai.teamwork.com` |
| Transports | HTTP | HTTP, Streamable HTTP, SSE (legacy), stdio |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | GPL-3.0 for the OpenProject source. Enterprise add-ons need a paid token, and OpenProject Enterprise cloud runs under OpenProject's Terms of Service | Proprietary service under Teamwork.com's terms of service. The MCP server on GitHub is MIT |
| Tools exposed | none | 225 |
| Read-only variant documented | no | no |
| llms.txt | no | no |
| Last release | 2026-10-01 | 2026-10-06 |
| Terms last updated | 2026-08-06 | no date given |
| Privacy policy last updated | no date given | 2024-08-19 |
| Customer content may train models | not found in the text | not found in the text |
| Terms restrict automated access | not found in the text | not found in the text |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | not found in the text | not found in the text |
| Arbitration or class-action waiver | not found in the text | not found in the text |
| Popularity | 16k stars | 26 stars |

## Verdicts

**OpenProject.** OpenProject's APIv3 has a public OpenAPI 3.1 document with 320 operations, stable error identifiers and optimistic locking, and the same API ships in the free GPL-3.0 Community edition. No request limits are published, API tokens carry their user's full permissions, and 83 security advisories were published in the last twelve months, 13 rated critical.

**Teamwork.com.** The official MCP server is MIT licensed, released almost daily, and has typed tools with annotations, profile endpoints and no delete tools on the shipped servers. OAuth scopes stop at product level, access tokens are permanent, and no SLA, API changelog or prompt-injection guidance was found in the reviewed documentation.

## Before you call either

### OpenProject

1. Send the API token as `Authorization: Bearer <token>`, or as the Basic auth password with the user name `apikey`
2. Read the resource first and send its current `lockVersion` with every PATCH. A stale value returns 409 `UpdateConflict`
3. POST to the `/form` endpoint of a work package to learn writable fields and allowed values before creating or updating
4. URL-encode `filters` as a JSON array, and add `pageSize`, `offset` and `select` to keep work package lists small
5. Run the agent as a dedicated user with a narrow project role, and treat work package text and comments as untrusted input

### Teamwork.com

1. Use a profile endpoint such as https://mcp.ai.teamwork.com/project-manager. The base URL loads every tool across Projects, Desk, Spaces and Chat.
2. Ask a site administrator to enable MCP under Settings, AI before connecting.
3. Build REST URLs from `installation.apiEndPoint` in the token response. Sites live at {site}.teamwork.com (US) or {site}.eu.teamwork.com (EU).
4. Stay under 150 requests a minute on Free, Basics and Accelerate. The limit is shared by the whole site. On 429, wait until `X-Rate-Limit-Reset`.
5. Pass `verbose=false` to `list_*` tools to get ids and names only, and use `twprojects-create_tasks` for many tasks in one call.

## Questions

### Which is better for AI agents, OpenProject or Teamwork.com?

Teamwork.com scores 65.9 (B) on agent readiness against OpenProject's 57.4 (C), and leads in 2 of 7 scored categories. OpenProject leads on transparency & trust.

### Do OpenProject and Teamwork.com need an API key?

Both take an API key or an OAuth sign-in.

### Can an agent call OpenProject and Teamwork.com without installing anything?

No hosted endpoint is listed for OpenProject. Teamwork.com has a hosted endpoint at https://mcp.ai.teamwork.com.

### Are OpenProject and Teamwork.com open source?

OpenProject is open source (GPL-3.0 for the OpenProject source. Enterprise add-ons need a paid token, and OpenProject Enterprise cloud runs under OpenProject's Terms of Service). No open-source release is listed for Teamwork.com.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/openproject-vs-teamwork.json, and with the fewest tokens: https://www.anchorterminal.com/compare/openproject-vs-teamwork.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "openproject", "b": "teamwork"}`. From a terminal: `anchor compare openproject teamwork`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/openproject.json and https://www.anchorterminal.com/api/v1/tools/teamwork.json

## Other comparisons with OpenProject or Teamwork.com

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- [OpenProject vs Wrike](https://www.anchorterminal.com/compare/openproject-vs-wrike.md)
- [OpenProject vs YouTrack](https://www.anchorterminal.com/compare/openproject-vs-youtrack.md)
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- [Roma vs Teamwork.com](https://www.anchorterminal.com/compare/roma-vs-teamwork.md)
- [Shortcut vs Teamwork.com](https://www.anchorterminal.com/compare/shortcut-vs-teamwork.md)
- [Taiga vs Teamwork.com](https://www.anchorterminal.com/compare/taiga-vs-teamwork.md)
- [Teamwork.com vs Todoist](https://www.anchorterminal.com/compare/teamwork-vs-todoist.md)
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- [Teamwork.com vs Wrike](https://www.anchorterminal.com/compare/teamwork-vs-wrike.md)
- [Teamwork.com vs YouTrack](https://www.anchorterminal.com/compare/teamwork-vs-youtrack.md)