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Contract Diff MCP server

by mrfentmen·io.github.mrfentmen/contract-diff-mcp·v1.0.1
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Aggregate local contract snapshot changes without exposing schema contents. Tools include...

A85/100grade A
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Safety scan
A85/100

full report

Adoption
New

0 stars

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

Contract Diff tools (1)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • compare_contract_snapshots

    Compare two local JSON contract snapshots using a coarse structural fingerprint; schema names, paths, values, and versions are never returned.

Public scan report

scanner v0.1.9 · 2026-09-21 · same rubric, same numbers if you re-run it

no findings
  • Code scan8 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 44 days ago12/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 85/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y contract-diff-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add contract-diff-mcp -- npx -y contract-diff-mcp
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Contract Diff: common questions

Is Contract Diff MCP server safe?
Yes, by our scan: it is graded A (85/100). Read the Contract Diff safety report
How do I install Contract Diff?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Contract Diff need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Contract Diff maintained?
The last commit was 45 days ago (2026-08-09). The latest release is v1.0.1.
What can I use instead of Contract Diff?
Servers from other publishers that do the same job: Contractor Licence Changes MCP server and dryrun MCP server.

Alternatives to Contract Diff

Same job from other publishers: the closest match first, then the best rated.

  • Contractor Licence Changes
    Did this contractor's licence change? Observed lapses and reinstatements, not a snapshot.
    A
  • dryrun
    PostgreSQL schema intelligence from a committed snapshot. No connection, no credentials.
    A

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