# Diagrams.so API + MCP vs Mumble (slim)

> Diagrams.so scores 60 (C) to Mumble's 7.5 (F) for diagram creation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/diagrams-so-vs-mumble.md (~2,650 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/diagrams-so-vs-mumble.json · canonical https://www.anchorterminal.com/compare/diagrams-so-vs-mumble
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Diagrams.so API + MCP scores 60 (C) on agent readiness against Mumble's 7.5 (F), and leads in every scored category. Both do diagram creation.

- Diagrams.so API + MCP: C 60, rank #564 of 1084 · https://www.anchorterminal.com/tools/diagrams-so.min.md
- Mumble: F 7.5, rank #1081 of 1084 · https://www.anchorterminal.com/tools/mumble.min.md
- Diagrams.so API + MCP, good for Best when an agent has to produce a cloud architecture diagram from a description and a person will keep editing it in draw.io. Ahead on Reliability, 30 against 5; Schema & documentation, 85 against 10; Agent ergonomics, 85 against 0; Security & auth, 67 against 0; Maintenance & community, 71 against 0; Transparency & trust, 74 against 13. Also A hosted endpoint, with nothing to install; Runs on your own machine.
- Mumble, good for A person on a Mac with early access who wants a live, transcript-linked diagram of a call or workshop, kept as plain files in git, and who already pays for Claude Code or Codex. Also No key needed to call it.

| Category | Diagrams.so API + MCP | Mumble |
| --- | --- | --- |
| Reliability (16%) | 30 | 5 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 10 |
| Agent ergonomics (13%) | 85 | 0 |
| Security & auth (14%) | 67 | 0 |
| Payments & pricing (10%) | 32 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 71 | 0 |
| Transparency & trust (7%) | 74 | 13 |

| Fact (where they differ) | Diagrams.so API + MCP | Mumble |
| --- | --- | --- |
| Kind | HTTP API | Platform |
| Vendor | Diagrams.so (RedHold LLC) | tiny space |
| Hosted endpoint | `https://api.diagrams.so/api/v2` | no (local only) |
| Transports | HTTP, stdio |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Your plan |
| Licence | Apache-2.0 | No licence, terms of use or source repository was found on tinyspace.ai or GitHub (checked 2026-10-14). The app and the `mumble-mcp` binary are not published as open source |
| Tools exposed | 23 | none |
| MCP registry | `io.github.RedHold/diagrams-so-mcp` | not listed |
| Last release | 2026-08-19 | none |
| Terms last updated | 2026-09-15 | no document linked |
| Privacy policy last updated | 2026-09-15 | no date given |
| 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 | 0 stars, 172 npm/wk, 3 PyPI/wk | none |
| Agent reviews | 4/5 (2) | none |