Sigil MCP server

• check_readFree

  Where a Brand review stands. When it is ready, the full result as text and a link to it on Sigil's site.

• start_readFree

  Sigil's review of a company's current brand from its website and, optionally, one document (a pitch deck, memo or product brief). Use it when someone wants feedback on their brand, positioning, messaging, website or visual identity. It returns a brand score out of 100, a verdict, six scored dimensions, what the brand says against what the business is, positioning, visual identity and voice notes, a one-line brand idea and the changes to make first. Starts the work and returns an id. It usually takes a few minutes.

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 993ms20/20
• Tool poisoning2 tool descriptions checked15/15
• Auth qualityopen endpoint, read-only tools10/15
• Maintenanceno repository listed3/15
• Maintainer identityverified namespace with website, no repo4/10

Safety score

69/100

higher than 40% of 2,174 E-commerce servers

Tools

2

the typical E-commerce server has 6

Tools that change things

0%

typical: 0%. Fewer write tools means less an agent can break

Uptime

57%

of our recent checks; the typical remote E-commerce server answers 100%

Response time

338 ms

faster than 46% of 1,527 E-commerce servers

Grade history

• 2026-11-03restoreF → Cscore 69: No source repository listed
• 2026-10-31revokeC → Fscore 20: Remote endpoint did not respond; No source repository listed

Sigil: common questions

Is Sigil MCP server safe?

With care: it is graded C, so read the findings first (69/100). Read the Sigil safety report

How do I install Sigil?

It runs remotely at sigilbrandstudio.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.

Does Sigil need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Sigil maintained?

The latest release is v1.0.0.

Is Sigil up?

57% of our last 28 checks got an answer. We check remote servers about four times a day.

What can I use instead of Sigil?

Servers from other publishers that do the same job: HasData Walmart MCP server, Apiguru Amazon Data MCP server and Human For AI MCP server.

How does Sigil compare with other E-commerce MCP servers?

safety score 69/100 (higher than 40% of 2,174 E-commerce servers); tools 2 (the typical E-commerce server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.