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Verity

by veritylabsai · remote · no sign-in to list tools · v0.2.0 · published by GitHub user veritylabsai

Cited product-compliance ground truth for AI agents. Never generates; always cites.

Changes · 1
CompareRegistry entry

4 tools: 1 change things and 3 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 verity https://verity-mcp-243195959173.us-central1.run.app/mcp

Tools

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

4 tools

Changes things 1Claude Code: ask
  • verifyCheck a claim or product query against the store.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.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Check a claim or product query against the store. Returns only cited records (recalls and requirements) that match. Explicitly reports 'no verified record' when nothing matches -- it never synthesizes an answer, so absence means 'not in the store', not a negative claim.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • readOnlyHint: true
    • title: Verify a claim
Only reads 3Claude Code: allow
  • get_requirementGet cited market-entry requirements for a product subject in a given market (e.g.No findings

    Why it is in this group

    • The name "get_requirement" says "get": a word for reading.
    Description, as the server wrote it
    Get cited market-entry requirements for a product subject in a given market (e.g. subject='childrens_products', market='US'). This is a small curated set, not a full regulatory database: CPC, CPSC eFiling, EU GPSR, CE marking, REACH SVHC, RoHS and California Prop 65. Returns each fact with its official citation URL and last-verified date.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • readOnlyHint: true
    • title: Get requirement
  • list_changesList recall and requirement changes since an ISO-8601 timestamp (e.g.No findings

    Why it is in this group

    • The name "list_changes" says "list": a word for reading.
    Description, as the server wrote it
    List recall and requirement changes since an ISO-8601 timestamp (e.g. '2026-09-01T00:00:00+00:00'). Includes newly published recalls and rule changes, each with its source URL.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • readOnlyHint: true
    • title: List changes
  • search_recallsSearch official US recall records by product name, brand, model, or UPC.No findings

    Why it is in this group

    • The name "search_recalls" says "search": a word for reading.
    Description, as the server wrote it
    Search official US recall records by product name, brand, model, or UPC. Covers CPSC consumer products and FDA food, drug and device enforcement. Returns only cited records from the store, each with a source URL and a match score. If nothing matches, returns an empty list rather than guessing.

    Annotations the server declares

    • destructiveHint: false
    • idempotentHint: true
    • readOnlyHint: true
    • title: Search recalls

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.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or untrusted-input or outbound.

Reads private data0
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write0
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Remote posture

What anyone on the internet sees at the remote endpoint: an anonymous initialize and tools/list, and the public OAuth metadata.

Looked at Oct 22, 2026, 15:25 UTC, unchanged since Oct 22, 2026. No credentials were sent and no tool was called. What is looked at.

Reachable
yes
HTTP status of an anonymous initialize
200
tools/list served without credentials
yes
Tools that change things, listed without credentials
1
Protocol version
2025-06-18
WWW-Authenticate on 401
not observed
resource_metadata in WWW-Authenticate
none
RFC 9728 protected resource metadata
none
Authorization servers
none
Legacy HTTP+SSE transport
no
Dynamic client registration
not observed
Client ID metadata documents
not observed
  • WarnThe whole server

    The endpoint served tools/list without credentials, and the list has 1 tool that changes things (1 write). Whether a call also works without credentials was not tested: tools are never called.

    Matched text

    https://verity-mcp-243195959173.us-central1.run.app/mcp: tools/list returned 4 tools to an anonymous client, including verify (write)

    What this check looks for

Install

Pinned to version 0.2.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http verity https://verity-mcp-243195959173.us-central1.run.app/mcp

Run in a terminal.

Claude Code permissions

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

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__verity__search_recalls",
      "mcp__verity__get_requirement",
      "mcp__verity__list_changes"
    ],
    "ask": [
      "mcp__verity__verify"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as verity. Review it before you use it.