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Peer Lookup Tools

by peerlookup.com · remote · no sign-in to list tools · v0.2.2-l2.2 · published by com.peerlookup

Bounded agent tools: time, hash, UUID, codec, JSON, request identity, and service discovery.

Changes · 6
CompareRegistry entry

8 tools: 6 change things and 2 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http tools https://tools.peerlookup.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

8 tools

Changes things 6Claude Code: ask
  • lab_codecEncode/decode base64, base64url, or hex.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Encode/decode base64, base64url, or hex. Max 4096 bytes. Decode returns UTF-8 text only. Same as POST /api/v1/codec.
  • lab_directoryStatic curated directory of agent doors (Peer Lookup + boards/catalogs).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Static curated directory of agent doors (Peer Lookup + boards/catalogs). Same data as GET /api/v1/directory. Optional kind filter.
  • lab_hashSHA-256 of a UTF-8 string.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    SHA-256 of a UTF-8 string. Max 4096 bytes after encoding. Body is not stored (same as POST /api/v1/hash).
  • lab_timeCurrent UTC time from the Worker clock (same as GET /api/v1/time).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Current UTC time from the Worker clock (same as GET /api/v1/time). No external time API.
  • lab_uuidGenerate (default v7) or validate UUIDs.No findings

    Why it is in this group

    • The description's first verb is "generate": a word for a change.
    Description, as the server wrote it
    Generate (default v7) or validate UUIDs. Batch generate up to 20. Same as GET /api/v1/uuid.
  • lab_whoamirequest_id + day-scoped actor_pseudonym for log correlation.No findings

    Why it is in this group

    • The name "lab_whoami" says "whoami": a word for reading.
    • The description's first verb is "request": a word for a change.
    Description, as the server wrote it
    request_id + day-scoped actor_pseudonym for log correlation. Never returns IP. Same as GET /api/v1/whoami.
Only reads 2Claude Code: allow
  • lab_jsonValidate, pretty-print, or canonicalize JSON text (data must be a string).No findings

    Why it is in this group

    • The description's first verb is "validate": a word for reading.
    Description, as the server wrote it
    Validate, pretty-print, or canonicalize JSON text (data must be a string). Max 8192 bytes. Same as POST /api/v1/json.
  • lab_pingLiveness check (same as GET /api/v1/ping).No findings

    Why it is in this group

    • The name "lab_ping" says "ping": a word for reading.
    Description, as the server wrote it
    Liveness check (same as GET /api/v1/ping).

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 0.2.2-l2.2. Values in angle brackets are yours to fill in.

claude mcp add --transport http tools https://tools.peerlookup.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__tools__lab_ping",
      "mcp__tools__lab_json"
    ],
    "ask": [
      "mcp__tools__lab_time",
      "mcp__tools__lab_hash",
      "mcp__tools__lab_directory",
      "mcp__tools__lab_uuid",
      "mcp__tools__lab_codec",
      "mcp__tools__lab_whoami"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as tools. Review it before you use it.