MCP.Market

SignSimple MCP server

online · 100% uptime
by signsimple.app·app.signsimple/signsimple·v1.0.0
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Send PDFs for legally binding e-signature, free and unlimited. Track status; free legal templates.

B72/100grade B
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Safety scan
B72/100

full report

Adoption
New

Little public usage data yet

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SignSimple tools (4, 1 write)

write = sends, deletes, buys or posts
  • get_document_statusFree

    Check the status of a document previously sent for signature: overall state (sent/completed/declined/expired/voided), per-recipient progress (pending/viewed/signed), and the signed PDF download URL once complete. Requires a SignSimple API key.

  • list_documentsFree

    List the 25 most recent documents sent from the connected SignSimple account, with status and signed-PDF URLs where complete. Requires a SignSimple API key.

  • list_templatesFree

    List SignSimple's free, professionally drafted document templates (NDA, lease, contractor agreement, liability waiver, bill of sale, promissory note). Returns each template's info page and direct PDF URL — pass the PDF URL to send_for_signature as document_url to send one. No API key needed.

  • send_for_signaturewrite actionFree

    Send a PDF document for legally binding electronic signature via SignSimple (free, unlimited). Provide the PDF as a fetchable URL or base64, plus recipient name(s) and email(s). Each recipient is emailed a secure signing link; signature and date fields are placed automatically unless custom fields are given. Works with the free templates from list_templates (pass their pdf URL as document_url). Requires a SignSimple API key (create one at https://signsimple.app/profile).

Public scan report

scanner v0.1.10 · 2026-11-03 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1417ms20/20
  • Tool poisoning4 tool descriptions checked15/15
  • Auth qualityAPI key sent as a header8/15
  • Maintenanceno repository listed3/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 72/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How SignSimple compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
72/100
higher than 38% of 48,255 servers
Tools
4
the typical server has 7
Tools that change things
25%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
79 ms
faster than 88% of 30,031 servers

What its tools let an agent do: 3 read · 1 send or post

Install SignSimple in Claude Code, Cursor or VS Code

claude mcp add --transport http signsimple https://signsimple.app/mcp
Add to Cursor

Grade history

  • 2026-11-03restoreC → Bscore 72: No source repository listed

SignSimple: common questions

Is SignSimple MCP server safe?
Mostly: it is graded B (72/100). Read the SignSimple safety report
How do I install SignSimple?
It runs remotely at signsimple.app. 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 SignSimple need an API key?
Yes. The registry entry asks for Authorization.
Is SignSimple maintained?
The latest release is v1.0.0.
Is SignSimple up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does SignSimple compare with other MCP servers?
safety score 72/100 (higher than 38% of 48,255 servers); tools 4 (the typical server has 7); tools that change things 25% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.