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io.github.auxiliar-ai/auxiliar-mcp

Official registry Archived Productivity

Eval-backed discovery for the auxiliar.ai gateway — the best web-access provider per job, measured.

Source code 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).

NPM package auxiliar-mcp
Claude Code 
claude mcp add auxiliar-mcp -- npx -y auxiliar-mcp@0.23.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "auxiliar-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "auxiliar-mcp@0.23.0"
            ]
        }
    }
}

Documentation

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

Contents
  1. auxiliar-mcp
  2. Install
  3. Tools
  4. Where the data comes from
  5. Development
  6. Roadmap
  7. License

auxiliar-mcp

Eval-backed tool discovery for AI agents, on the auxiliar.ai web-access gateway — one API key for 24 search, scraping, browser-automation and voice APIs, upstream keys injected server-side, usage at each provider's real metered price.

Ask it "what's the best provider for this job?" and it answers from measured public benchmarks — every provider runs the identical task corpus per verb; scorecards carry their run dates; weak scores are published, not hidden.

Install

claude mcp add auxiliar -- npx auxiliar-mcp

or in any MCP client config:

{ "mcpServers": { "auxiliar": { "command": "npx", "args": ["auxiliar-mcp"] } } }

Tools

ToolWhat it does
recommend_toolsBest provider(s) for a job (search, scrape, crawl, extract_ai, extract_rules, answer, screenshot, scrape_domain, act, act_agent, serp, parse, watch), ranked by measured quality/latency/cost/errors. Optional optimize_for, max_latency_ms, max_cost_usd, limit.
get_scorecardThe full leaderboard for one verb — every scored provider, raw metrics, run dates.
get_providerOne provider in full: route, pricing, choose/avoid guidance, all its dated scorecards.
about_auxiliarWhat the gateway is, how to get a key, how to call it.

Every response carries the run date behind each number (measured_on, latest_run), the ranking context (rank #n of m), honest caveats, providers excluded_by_constraints (never silently dropped), and gated_not_scored entries for providers that couldn't be scored on the shared corpora.

Recommendations return an executable call pattern:

https://api.auxiliar.ai/{provider}/{provider-native-path}
Authorization: Bearer <your auxiliar API key>

Same paths, parameters and responses as each provider's own docs — the gateway injects the upstream key server-side. Get a key (with $5 free credit, no card) at auxiliar.ai.

Where the data comes from

Benchmark data loads at runtime from auxiliar.ai/evals.json (1h in-memory cache) and falls back to a bundled snapshot offline — responses declare which via data_source. The same data renders the human-readable scorecards at auxiliar.ai/tools. Rankings carry no house incentive: the gateway's fee is flat at credit top-up, so nothing is earned by steering you toward pricier providers.

Development

npm install
npm run build         # tsc → dist/ (+ bundled data snapshot)
npm test              # unit tests + end-to-end stdio round-trip
npm run update-fallback  # refresh src/data/evals-fallback.json from production

Releasing: bump the version in package.json and server.json (two spots) — npm run check-versions (run automatically at prepublish) enforces sync — then npm publish and mcp-publisher publish.

Roadmap

  • v0.23 (this release) — eval-backed discovery.
  • v1.0 — in-loop execution: call the providers through the gateway from this MCP (web_search, scrape, extract, crawl, …), routed by the same measured rankings.

License

MIT

Frequently asked questions

What is io.github.auxiliar-ai/auxiliar-mcp?

Eval-backed discovery for the auxiliar.ai gateway — the best web-access provider per job, measured.

How do I install io.github.auxiliar-ai/auxiliar-mcp?

It runs on your machine. In Claude Code: claude mcp add auxiliar-mcp -- npx -y auxiliar-mcp@0.23.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.auxiliar-ai/auxiliar-mcp 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 io.github.auxiliar-ai/auxiliar-mcp open source?

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

Who maintains io.github.auxiliar-ai/auxiliar-mcp?

It is published by auxiliar-ai. 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.