MCP server exposing 3 tools for h1b.
This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.
POST https://gateway.pipeworx.io/h1b/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}h1b_employer_sponsorship — Check whether a US employer sponsors H-1B visas and profile their sponsorship, from DOL Labor Condition Application (LCA) disclosures. Answers 'does company X sponsor H-1B / green cards' for recruiting and candidate advising. Returns the number of certified LCA filings, base-salary range (min / median / max), the top sponsored job titles, and top work locations for the employer. Filter by year (defaults to the latest full year). Employer name is matched as the disclosed legal name (e.g. 'Google', 'Amazon.com Services').h1b_salary — Look up real H-1B base salaries for a job title from DOL LCA disclosures — a market wage benchmark backed by actual filed salaries (not estimates). Answers 'what do H-1B software engineers earn at company X / in city Y'. Filter by job title, and optionally by employer, city, and year. Returns salary statistics (count, min / median / average / max) plus a sample of individual records (employer, title, salary, location, dates).h1b_top_sponsors — Find which US employers sponsor the most H-1B visas for a given job title (optionally in a specific city) — a candidate-sourcing / target-account signal for recruiting. Answers 'which companies sponsor the most data engineers in Austin' or 'top H-1B sponsors for nurses'. Returns employers ranked by certified LCA filings for the role, each with their filing count and median base salary. Backed by real DOL LCA disclosures.Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/h1b/
Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io