Skills/npm/omitly-mcp

omitly-mcp@5.4.0

VERIFIED

Publisher claims: "Model Context Protocol server exposing Omitly's local, verifiable PDF redaction to AI agents. Redaction runs on-device — documents are never uploaded." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher omitly · publishing for 125 daysInstalls 2,869Last detonated 4d ago
$claude mcp add omitly-mcp -- npx -y omitly-mcp
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Coverage

Server started and answered tools/list.
Tested
MCP initialize and tools/list · every tool description, for hidden instructions · every file read, file written and host contacted by what ran
Not tested
what the tools do when called with real credentials

Before you give it your token

It will ask for
no credential variables read in the code
Where it talks to
omitly.app (its own)
What the honeypot saw
no credential files read · no network
What we could not test
what the tools do when called with real credentials

Reasonable to connect. No credential asked for, no third-party host named, Server started and answered tools/list.

Never paste a credential into a chat, a ticket or a report, including ours. How the guard holds it.

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-10 and scored it 85/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 27 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
6.6sprocessdependency install exit 0
27sclaimed13 tools: find_sensitive_regions, locate_text, redact_by_entity, redact_pdf, verify_redaction, check_license, verify_seal, verify_document, create_pdf, check_redaction, extract_pdf_text, propose_redactions, get_proposal_status
27sprocessscript backend runs setup only
27sprocessno install scripts to re-run

Static findings

MEDIUM
npx invocation of non-well-known packagedist/index.js:2236 · npx invocation of non-well-known package — may execute untrusted code* if a module is the entry point"). npm, npx and `npm link` all install aFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagepackage.json:44 · npx invocation of non-well-known package — may execute untrusted code"mcpb:validate": "npx -y @anthropic-ai/[email protected] validate mcpb/manifest.json",Fix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagepackage.json:45 · npx invocation of non-well-known package — may execute untrusted code"mcpb:pack": "npm run mcpb:prep && npm run mcpb:validate && mkdir -p dist-mcpb && npx -y @anthropic-ai/[email protected] pack mcpb dist-mcpb/omitly-leak-check.mcpb"Fix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
File permission modification commanddist/usage.js:98 · File permission modification command — agent changes file ownership/permissions// POSIX modes; chmod is a no-op there and the containing profile dir isFix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.
AST05
HIGH
Access to sensitive file pathsdist/paths.js:67 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files// (e.g. /etc/shadow) reaches realpathSync successfully and gets a distinctFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
npx invocation of non-well-known packagedist/index.js:2231 · npx invocation of non-well-known package — may execute untrusted code* Thin bin entry: only connect stdio when this file is run directly (`npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagedist/index.js:1733 · npx invocation of non-well-known package — may execute untrusted code"running only `npx omitly-mcp` with no engine installed cannot use " +Fix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagedist/index.js:2241 · npx invocation of non-well-known package — may execute untrusted code* (`npx omitly-mcp`), and the server would exit silently — no stdioFix: Pin versions and sources; vendor anything fetched at install time.
AST06

Cost to the agent

Instructions loaded
≈2,234 tok
1 file · 16 in bundle
Tool list per prompt
≈4,738 tok
13 tools · 364 per tool
Handshake
786 ms
launch to tools/list, stdio
Undocumented tools
0
description under 20 chars · avg 957

Tokens estimated at four characters each. The tool list is re-read by the agent on every turn, so it is the number to compare between servers that do the same job: ranked across the index.

Known vulnerabilities

No advisories in OSV for omitly-mcp@5.4.0 as of 4d ago. This is the package itself, not its dependencies.

omitly-mcp@5.4.0 safety verdict: Verified — KillerSkills