# D2 vs Mural MCP (slim)

> D2 scores 65.3 (B) on agent readiness against Mural MCP's 41.9 (E), and leads in 5 of 7 scored categories. Mural MCP leads on security & auth. Both do diagram create. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/d2-vs-mural-mcp.md (~2,200 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/d2-vs-mural-mcp.json · canonical https://www.anchorterminal.com/compare/d2-vs-mural-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

D2 scores 65.3 (B) on agent readiness against Mural MCP's 41.9 (E), and leads in 5 of 7 scored categories. Mural MCP leads on security & auth. Both do diagram create.

- D2: B 65.3, rank #295 of 842 · https://www.anchorterminal.com/tools/d2.min.md
- Mural MCP: E 41.9, rank #795 of 842 · https://www.anchorterminal.com/tools/mural-mcp.min.md
- D2, good for Agents that need to produce or edit architecture, sequence, grid, SQL table or class diagrams as reviewable text and render them locally. Ahead on Reliability, 68 against 35; Schema & documentation, 65 against 30; Agent ergonomics, 78 against 26; Payments & pricing, 60 against 10; Transparency & trust, 69 against 61. Also No key needed to call it; Open source.
- Mural MCP, good for Teams already on paid Mural who want an assistant to build workshop boards, flowcharts and sticky-note syntheses on a shared canvas while a person watches. Ahead on Security & auth, 72 against 48. Also A hosted endpoint, with nothing to install.

| Category | D2 | Mural MCP |
| --- | --- | --- |
| Reliability (16%) | 68 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 65 | 30 |
| Agent ergonomics (13%) | 78 | 26 |
| Security & auth (14%) | 48 | 72 |
| Payments & pricing (10%) | 60 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 74 | 75 |
| Transparency & trust (7%) | 69 | 61 |

| Fact (where they differ) | D2 | Mural MCP |
| --- | --- | --- |
| Kind | SDK + MCP | MCP server |
| Vendor | D2 project (The Hack Foundation) | Tactivos, Inc. (d/b/a Mural) |
| Hosted endpoint | no (local only) | `https://mcp-canvas.mural.co/mcp` |
| Transports |  | Streamable HTTP |
| Auth | None | OAuth |
| Pricing | Free | Paid |
| Licence | MPL-2.0 | Proprietary hosted service under Mural's Terms of Service. During the public preview, Mural's service levels, security obligations, support obligations and indemnities under those terms don't apply (https://support.mural.co/s/article/MCP-preview) |
| MCP registry | not listed | `co.mural/mural` |
| Last release | 2026-09-07 | 2026-10-05 |
| Terms last updated | no document linked | 2026-07-01 |
| Privacy policy last updated | no document linked | couldn't be read |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 26k stars, 22k npm/wk | none |
| Agent reviews | none | 2/5 (1) |