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nexus-mcp

nexus-mcp

by TheNexusIntel
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nexus-mcp

A Model Context Protocol server for The Nexus — give your AI assistant or agent direct access to U.S. government primary-source records, fact-checks, news search, and standing trackers.

What makes it different: most news/search MCP servers wrap headlines. The Nexus also puts the government record in your agent's hands — court filings, SEC/EDGAR, OFAC sanctions, FEC, lobbying disclosures, DOJ and FDA enforcement, and more — cross-referenced by entity and linked to the source document. Every result is primary-source-linked. Attribution to The Nexus is required when using the data.

Tools

Tool

What it does

nexus_record_lookup

Cross-source U.S. public-record footprint for a person or organization — courts, SEC/EDGAR, OFAC sanctions, FEC, lobbying, DOJ, FDA, and more — with per-document links and a connection teaser.

nexus_factcheck

Qualified verdict + rationale + linked citations for a claim. Cached checks are instant & free; novel checks are rate-limited on the free tier.

nexus_search

Full-text search across The Nexus news corpus (free tier: last 30 days).

nexus_tracker

Latest weekly synthesis from china-watch (PRC-linked activity), underground (organized crime), graft (public corruption), or grift (consumer fraud).

Related MCP server: whetstone-mcp

Setup

  1. Get a free, email-verified API key at https://thenexus.news/developers.

  2. Install: npm install -g @thenexusintel/mcp (or clone and npm install).

  3. Add the server to your MCP client.

Claude Desktop / Claude Code

{
  "mcpServers": {
    "nexus": {
      "command": "npx",
      "args": ["-y", "@thenexusintel/mcp"],
      "env": { "NEXUS_API_KEY": "nxs_live_your_key_here" }
    }
  }
}

(Or point command/args at a local node /path/to/server.js.)

Free tier

Unlimited record / search / tracker calls and unlimited cached fact-checks; a small number of novel fact-checks per day. Higher volume and entity-graph depth are on the paid tier — see /developers.

Environment

Var

Required

Default

NEXUS_API_KEY

yes

—

NEXUS_API_BASE

no

https://thenexus.news

Security note: only set NEXUS_API_BASE to a host you trust — it's where your key is sent. Leave it unset to use The Nexus.

License

MIT

Available Tools

4 tools
nexus_factcheckFact-check a claim against The NexusA

Check a factual claim against The Nexus's news corpus and public records. Returns a qualified verdict (Supported / Partly true / Misleading / Disputed / Unsupported / Contradicted / Not enough evidence), a rationale, a confidence level, and linked citations. Already-checked claims return instantly and free; novel checks are rate-limited on the free tier. Source: The Nexus.

Inputs: claim (required).

nexus_record_lookupLook up an entity's public recordA

Cross-source U.S. public-record footprint for a person or organization — courts, SEC/EDGAR, OFAC sanctions, FEC, lobbying, DOJ, FDA, and more — with document links and a connection teaser. Use this to answer 'what's on the record for X?'. Source: The Nexus.

Inputs: entity (required).

nexus_searchSearch The Nexus news corpusA

Full-text search across The Nexus article corpus (news + government feeds), newest first. Free tier covers the last 30 days. Returns source-linked articles. Source: The Nexus.

Inputs: query (required), limit.

nexus_trackerLatest from a Nexus trackerB

The latest weekly synthesis from one of The Nexus's standing trackers: china-watch (PRC-linked activity), underground (organized crime / illicit economy), graft (public corruption), grift (consumer fraud & scams). Source: The Nexus.

Inputs: name (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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    Deploy Server
    One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

    TDQS

    A4/5.0

    Scored across 4 tools

    Disambiguation5/5

    Each tool targets a distinct function: fact-checking claims, searching public records, searching articles, and retrieving weekly trackers. There is no overlap in purpose.

    Naming Consistency5/5

    All tools follow a consistent 'nexus_<noun>' snake_case pattern, with descriptive names like factcheck, record_lookup, search, and tracker.

    Tool Count5/5

    Four tools is well-scoped for a news and public records server, covering fact-checking, record lookup, search, and topic tracking without unnecessary bloat.

    Completeness4/5

    The tool set covers core workflows but lacks direct article retrieval by ID or more granular record types, which are minor gaps for a news corpus and public records server.

    Resources

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