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Offendersearch

Official registry Search and web

Search US sex-offender registries and criminal records, with per-source citations.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http offendersearch 'https://mcp.offendersearch.app/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "offendersearch": {
            "type": "http",
            "url": "https://mcp.offendersearch.app/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Offendersearch — API Quickstart
  2. One call, 58 registries
  3. Examples in this repo
  4. Responsible use
  5. License

Offendersearch — API Quickstart

Screen anyone against all 58 US sex-offender registries — every state, DC and the territories — with a single REST call.

Get a key at offendersearch.app — the free trial is 25 searches with no card. Then set it:

export OFFENDERSEARCH_KEY="sk_your_key"

One call, 58 registries

curl https://api.offendersearch.app/v1/search \
  -H "Authorization: Bearer $OFFENDERSEARCH_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "query": { "firstName": "John", "lastName": "Smith", "dob": "1982-04-11" } }'

Every match is scored for confidence and cited to its source, with a photograph and a link to the official registry record. A date of birth or age sharpens the match.

Search an area (no name)
curl https://api.offendersearch.app/v1/search \
  -H "Authorization: Bearer $OFFENDERSEARCH_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "query": { "zipcode": "92501", "radiusMiles": 2 } }'
Screen a whole roster

POST /v1/batch checks many records in one call — see the docs.

Examples in this repo

LanguageFile
Node.js (zero-dep, fetch)node/search.mjs
Python (requests)python/search.py
curlcurl/search.sh

Generate a typed client in any language from the OpenAPI spec.

Responsible use

Results are public-record data and not a consumer report. Don't use them for employment, tenancy, or other FCRA-covered decisions without the process the law requires — and never to identify, target, or harass anyone. For awareness and safety.

License

MIT

Frequently asked questions

What is Offendersearch?

Search US sex-offender registries and criminal records, with per-source citations.

How do I install Offendersearch?

It runs as a remote server. In Claude Code: claude mcp add --transport http offendersearch 'https://mcp.offendersearch.app/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Offendersearch need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Offendersearch open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Offendersearch?

It is published by Clavaa. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.