Mmcp.market

Commentlettercheck MCP server

by www.edgethirteen.com·com.edgethirteen.www/commentlettercheck·v1.0.0
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Look up whether a US ticker has SEC comment-letter correspondence on file.

C60/100grade C
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Safety scan
C60/100

full report

Adoption
New

Little public usage data yet

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If you have run it, two minutes of your experience saves the next person an afternoon.

Commentlettercheck tools (1, 1 write)

write = sends, deletes, buys or posts
  • check_sec_comment_letterswrite actionFree

    Look up whether a US-listed ticker has any SEC comment-letter correspondence on file (staff review letters and company responses, form types UPLOAD/CORRESP). Returns a free-tier preview: filing count and most recent filing date, sourced live from SEC EDGAR. Does not include letter content or severity scoring -- the per-letter severity breakdown is a separate $39 report at https://www.edgethirteen.com/tools/commentlettercheck.

Public scan report

scanner v0.1.3 · 2026-09-19 · same rubric, same numbers if you re-run it

1 high1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 498ms20/20
  • Tool poisoning1 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenanceno repository listed3/15
  • Maintainer identityverified namespace with website, no repo4/10

Findings (2)

  • highWrite-action tools reachable without authenticationauth.open-write
  • lowNo source repository listedmaint.no-repo
Overall 60/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http commentlettercheck https://www.edgethirteen.com/api/mcp/commentlettercheck
Add to Cursor

Commentlettercheck: common questions

Is Commentlettercheck MCP server safe?
With care: it is graded C, so read the findings first (60/100). Read the Commentlettercheck safety report
How do I install Commentlettercheck?
It runs remotely at www.edgethirteen.com. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Commentlettercheck need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Commentlettercheck maintained?
The latest release is v1.0.0.
Is Commentlettercheck up?
100% of our last 1 checks got an answer. We check remote servers about four times a day.

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