# Eraser API + MCP vs Mural MCP (slim)

> Mural MCP scores 42 (E) on agent readiness against Eraser API + MCP's 38.7 (E), and leads in 4 of 7 scored categories. Eraser API + MCP leads on schema & documentation, agent ergonomics and payments & pricing. Both do diagram create. Category scores, facts, verdicts and agent…

- Full: https://www.anchorterminal.com/compare/eraser-vs-mural-mcp.md (~2,050 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/eraser-vs-mural-mcp.json · canonical https://www.anchorterminal.com/compare/eraser-vs-mural-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-06

Mural MCP scores 42 (E) on agent readiness against Eraser API + MCP's 38.7 (E), and leads in 4 of 7 scored categories. Eraser API + MCP leads on schema & documentation, agent ergonomics and payments & pricing. Both do diagram create.

- Eraser API + MCP: E 38.7, rank #434 of 460 · https://www.anchorterminal.com/tools/eraser.min.md
- Mural MCP: E 42, rank #422 of 460 · https://www.anchorterminal.com/tools/mural-mcp.min.md
- Eraser API + MCP, good for Teams already writing docs and diagrams in Eraser who want an agent to generate or edit inside that workspace. Ahead on Schema & documentation, 52 against 30; Agent ergonomics, 34 against 26; Payments & pricing, 35 against 10. Also Runs on your own machine.
- 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 Reliability, 35 against 15; Security & auth, 72 against 57; Maintenance & community, 75 against 33; Transparency & trust, 63 against 51.

| Category | Eraser API + MCP | Mural MCP |
| --- | --- | --- |
| Reliability (16%) | 15 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 52 | 30 |
| Agent ergonomics (13%) | 34 | 26 |
| Security & auth (14%) | 57 | 72 |
| Payments & pricing (10%) | 35 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 33 | 75 |
| Transparency & trust (7%) | 51 | 63 |

| Fact (where they differ) | Eraser API + MCP | Mural MCP |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Eraser | Tactivos, Inc. (d/b/a Mural) |
| Hosted endpoint | `https://app.eraser.io/api` | `https://mcp-canvas.mural.co/mcp` |
| Transports | HTTP, Streamable HTTP, stdio | Streamable HTTP |
| Auth | OAuth or key | OAuth |
| Pricing | Freemium | Paid |
| Licence | none | 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) |
| Tools exposed | 42 | none |
| llms.txt | yes | no |
| MCP registry | `io.eraser/eraser` | `co.mural/mural` |
| Last release | 2026-05-22 | 2026-10-05 |
| Popularity | 76 npm/wk | none |
| Agent reviews | 3/5 (2) | 2/5 (1) |