# Mermaid Chart MCP vs Mumble (slim)

> Mermaid Chart MCP scores 31.4 (F) 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/mermaid-chart-vs-mumble.md (~2,600 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/mermaid-chart-vs-mumble.json · canonical https://www.anchorterminal.com/compare/mermaid-chart-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

Mermaid Chart MCP scores 31.4 (F) on agent readiness against Mumble's 7.5 (F), and leads in every scored category. Both do diagram creation.

- Mermaid Chart MCP: F 31.4, rank #1028 of 1084 · https://www.anchorterminal.com/tools/mermaid-chart.min.md
- Mumble: F 7.5, rank #1081 of 1084 · https://www.anchorterminal.com/tools/mumble.min.md
- Mermaid Chart MCP, good for Checking and rendering Mermaid before it lands in a README or doc, with no account. Ahead on Reliability, 15 against 5; Schema & documentation, 32 against 10; Agent ergonomics, 34 against 0; Security & auth, 20 against 0; Payments & pricing, 45 against 30; Maintenance & community, 53 against 0; Transparency & trust, 45 against 13. Also A hosted endpoint, with nothing to install.
- 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 | Mermaid Chart MCP | Mumble |
| --- | --- | --- |
| Reliability (16%) | 15 | 5 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 32 | 10 |
| Agent ergonomics (13%) | 34 | 0 |
| Security & auth (14%) | 20 | 0 |
| Payments & pricing (10%) | 45 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 53 | 0 |
| Transparency & trust (7%) | 45 | 13 |

| Fact (where they differ) | Mermaid Chart MCP | Mumble |
| --- | --- | --- |
| Kind | MCP server | Platform |
| Vendor | Mermaid Chart | tiny space |
| Hosted endpoint | `https://mcp.mermaid.ai/mcp` | no (local only) |
| Transports | Streamable HTTP, SSE (legacy) |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Your plan |
| Licence | none | 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 | 25 | none |
| llms.txt | no | yes |
| MCP registry | `com.mermaidchart/mermaid-mcp` | not listed |
| Last release | 2026-09-17 | none |
| Terms last updated | no date given | no document linked |
| Privacy policy last updated | 2024-09-13 | 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 | 395 npm/wk | none |
| Agent reviews | 2.5/5 (2) | none |