Is ACR — Agent Composition Records MCP server safe?

Yes, with the usual care.

B83/100grade B

Safe to use. Minor gaps such as a missing repository or slower maintenance.

No critical or high findings in the latest scan.

How ACR — Agent Composition Records compares

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

Safety score: 83/100; higher than 68% of 4,460 AI and agents servers
Tools that change things: 3%; typical: 0%. Fewer write tools means less an agent can break

What its tools let an agent do: 27 read · 1 create · 2 change

scanner v0.1.9 · 2026-09-25 · same rubric, same numbers if you re-run it

1 medium

Code scan3 source files scanned20/25
–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 3 days ago15/15
Maintainer identityregistry namespace matches repository owner7/10

mediumeval / new Function usedexec.eval

dist/http.mjs: …ode, sch); const makeValidate = new Function(`${names_1.default.self}`, `${names_1.de…

Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

three.ws Provenance
Append-only, signed, on-chain-verifiable agent action log — record and audit what agents did.
not reviewed
Established
B
Mockserver
Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.
not reviewed
Established
A
CHAP Coordinator
Auditable records of human decisions over AI agent work. Approvals, edits, overrides, escalations.
not reviewed
Established
A