Postman MCP Server
@postman/postman-mcp-server
npm
v2.12.0
Source verified
Published by postmanlabs — publish provenance cryptographically ties this package to that repository. That is proof of origin, not an official vendor package.
Official Postman server that connects AI agents to Postman collections, API specifications, and environments.
The grade answers one question — how safe is this server for you to adopt — so it is computed in two auditable stages. Nothing below is an opinion or an LLM's guess; every line is a real term the deterministic engine applied, and the same input always yields the same number.
1. Threat score — 100 − 1.2 = 99. What the published surface and source actually contain:
| Points | What was found | Category |
|---|---|---|
| −1.2 | Package runs install-time scripts MTC-SUP-010 | supply-chain |
2. Client adoption risk — 99 − 0 = 99. Three small, subtract-only factors that reflect your risk in adopting it — a clean scan proves less on a powerful, unverified or barely-inspectable package, so the grade says so plainly:
✓ No adoption-risk deductions — minimal blast radius, verified enough, and fully inspected.
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind a deduction.
Findings 1
low Package runs install-time scripts (preinstall)MTC-SUP-010
"@postman/postman-mcp-server" executes preinstall script(s) at install time. An install hook runs at install time; most are routine build/setup, but review what it does before trusting it.
Evidence: npx only-allow pnpm
Fix: Review the scripts; install with --ignore-scripts where possible and vet what they do.
Location: package @postman/postman-mcp-server
What this scan could not see
- No tools were enumerated, so prompt-injection, capability and toxic-flow analysis had no tool surface to inspect. To grade a package’s real runtime tools, scan the running server: --command "npx -y <package>".
Versions 3
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v2.12.0 latest |
A 99/100 | 1 | 1.13.0 | 2026-08-25 |
v2.11.2 |
A 99/100 | 1 | 1.12.1 | 2026-07-27 |
v2.11.1 |
A 99/100 | 1 | 1.9.0 | 2026-07-23 |
Embed this score
Show this server's live Trust Score in your README, docs or website. The badge is served straight from the registry and updates automatically after every rescan — no API key needed. It links back to this page, so anyone who sees the grade can also read the findings behind it instead of taking a number on faith.
Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
npx mcptrustchecker scan @postman/postman-mcp-server --onlineOther implementations of Postman 5
Independent packages implementing the same tool, scanned with the same engine. Compare all 6 side by side →
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