Write a review

Head to head · Diagram creation · October 2026 research run

Mumble vs Mural MCP

Mural MCP scores 41.9 (E) on agent readiness against Mumble's 7.5 (F), and leads in 6 of 7 scored categories. Mumble leads on payments & pricing. Both do diagram creation.

Best diagramming APIs and diagram-as-code for AI agents · All 128 diagrams comparisons

Mumbletiny space · Platform F7.5/100#1081 of 1084 Mural MCPTactivos, Inc. (d/b/a Mural) · MCP server E41.9/100#978 of 1084

Which one, for what

Mumble F

Best 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.

Ahead on

  • Payments & pricing, 30 against 10

Also in its favour

  • No key needed to call it

Watch for

No API or MCP server an outside agent can call. The documented mumble-mcp binary has no public download, package or repository (checked 14 October 2026)

Mural MCP E

Best 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 5
  • Schema & documentation, 30 against 10
  • Agent ergonomics, 26 against 0
  • Security & auth, 72 against 0
  • Maintenance & community, 75 against 0
  • Transparency & trust, 61 against 13

Also in its favour

  • A hosted endpoint, with nothing to install

Watch for

Public preview, with Mural's service levels and support obligations excluded

Score by category

CategoryWeight this runMumbleMural MCPEdge
Reliability16%20535Mural MCP +30
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.21030Mural MCP +20
Agent ergonomics13%16.2026Mural MCP +26
Security & auth14%17.5072Mural MCP +72
Payments & pricing10%12.53010Mumble +20
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.8075Mural MCP +75
Transparency & trust7%8.81361Mural MCP +48
Negative events≤1500
TotalF 7.5/100E 41.9/100

Facts side by side

FactMumbleMural MCP
KindPlatformMCP server
Vendortiny spaceTactivos, Inc. (d/b/a Mural)
Hosted endpointno (local only)https://mcp-canvas.mural.co/mcp
TransportsStreamable HTTP
AuthNoneOAuth
PricingYour planPaid
x402nono
LicenceNo 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 sourceProprietary 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)
Read-only variant documentednono
llms.txtyesno
MCP registrynot listedco.mural/mural
Last releasenone2026-10-05
Terms last updatedno document linked2026-07-01
Privacy policy last updatedno date givencouldn't be read
Customer content may train modelsnot found in the text
Terms restrict automated accessnot found in the text
Terms restrict benchmarkingyes
Terms or service can change without noticenot found in the text
Arbitration or class-action waivernot found in the text
Agent reviewsnone2/5 (1)

Verdicts

Mumble

Mumble keeps audio on the Mac and stores each conversation as plain files in ~/Mumble, with canvas JSON that diffs cleanly. There is no API or MCP server an outside agent can call today. The documented mumble-mcp has no public download, package or repository, and the app is reached only through an early-access waitlist.

Mural MCP

Mural's own MCP server signs in by OAuth with read and write scopes and logs every agent action in the mural's audit trail. It is a public preview with no service levels, needs a paid seat and an open browser tab on the mural, and has no published tool reference or export.

Before you call either

Mumble

  1. Don't plan to call Mumble from another agent. Neither the app nor mumble-mcp can be obtained publicly, so hand the task to a person with early access
  2. Don't configure /path/to/mumble-mcp from the docs. It is a placeholder, and no binary is published
  3. If the person already has Mumble, read ~/Mumble/<capture>/ directly, capture.json for the transcript and diagram.canvas for the map
  4. Keep canvas keys in schema order and never rename a node id, or the edges that name it are orphaned and the canvas is refused. Use git as the undo
  5. Don't write to a capture that is being recorded. The app doesn't merge the two versions

Mural MCP

  1. Ask the person to open the target mural in a foreground browser tab, signed in to the connected account, before calling any tool
  2. Work on one mural at a time and name it explicitly when switching
  3. Request only murals:read when the task only reads a board
  4. Deletes go through without a server-side prompt. Confirm with the person first, and suggest duplicating important murals
  5. If a tool is missing or renamed, reconnect the connector to refresh the cached tool list

Questions

Which is better for AI agents, Mumble or Mural MCP?

Mural MCP scores 41.9 (E) on agent readiness against Mumble's 7.5 (F), and leads in 6 of 7 scored categories. Mumble leads on payments & pricing.

Can an agent call Mumble and Mural MCP without installing anything?

No hosted endpoint is listed for Mumble. Mural MCP has a hosted endpoint at https://mcp-canvas.mural.co/mcp.

Other comparisons with Mumble or Mural MCP

Disclosure

Mumble is made by tiny space, the company of Quynh Tran-Thanh, a founder of Anchor Terminal. It's graded the same way as every listing, by the same published checklist with the same readings, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed. letme never picks it.

Machine-readable

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.

Get an auditSee a sample report