Developer Tooling

Massive (formerly Polygon.io) MCP.

China macro: PBOC Loan Prime Rate, headline NBS indicators (via Eastmoney's data centre), 70-city…

Semantic search over the current Dodo Payments documentation. No authentication required.

China Disclosures MCP — non-SEC Chinese biotech deals and HK/STAR IPO financing, read straight out…

South African Reserve Bank (SARB) Web API MCP. Keyless.

SEC filings, Wikipedia, arXiv, US Census and more for AI agents, with every answer source-linked.

Japan Law MCP — Japanese national laws & ordinances via the e-Gov Law API.

Federal Register MCP — US Federal Register API (free, no auth)

California DHCS Medi-Cal Suspended and Ineligible (S&I) Provider List screening — fleet #2805, the…

legislation.gov.uk MCP — the UK's official legislation database.

Set up uptime monitoring from your editor: create checks, alerts, and query uptime. Can sign you up.

ASO tools for AI agents: keyword research, rank tracking, competitor analysis (iOS & Android).

API Ninjas MCP — wraps the multi-endpoint API Ninjas data API (api-ninjas.com)

RBA MCP — Reserve Bank of Australia statistics (free, no auth).

ABC sheet music + Strudel live coding: songs, videos and live jam sessions in ext-apps widgets.

EN Diagram — structural verification for concurrent systems. Pure math, no AI.

Shared, peer-validated knowledge archive for AI agents — search, contribute, and validate via MCP

Pre-computed market data that improves agent reasoning, reduces token usage, and replaces pipelines.

California Jury Instructions — CACI (civil) and CALCRIM (criminal), official text as adopted by…

OpenRouter Models MCP.