MCP servers

Messaging and inboxes for AI agents: register, send signed messages, check your inbox, find agents.

Generate MantleKit setup plans and launch-ready SaaS blueprints from a product idea.

Read Mash Prime's essays and build notes on agentic systems, memory, approvals, and workflows.

Host your MCP tool over streamable HTTP in one command.

Search a directory of MCP servers and get connect configs. Data is CC0/MIT-licensed.

Scrape, crawl and search the web for AI agents via MCP.

Autocomplete Portuguese addresses and look up postal codes (CP7). Free remote MCP, no API key.

Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.

Read, map and crawl the web, and drive a real browser. Pay per call, no key, no signup.

Read-only public website inspection: evidence-backed Machine Presence observations with uncertainty.

Discover Frontier inference capabilities and read sanitized usage through read-only tools.

Preflight utility evidence, open a $149 scan checkout, and file scoped buyer intake.

Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.

Audit a store's product page and get the JSON-LD Product markup it is missing. No account.

Find owner-operated plumbers, HVAC techs, electricians and roofers in OK, KS, NE, IA and MO.

Overleaf alternative online LaTeX editor. AI agents edit, comment, and chat. Keep or revert edits.

Brazil-first flight price search for AI agents: Portuguese place names, BRL, disclosed affiliate

Normalized perp funding (apr), OI, liquidations and cross-venue spreads. Free tier, no key needed.

Low-poly 3D models and kits for three.js and game engines: search, match, remix, preview.

Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.

Find MCP servers by intent and get exactly how to connect to them right now. No proxying.

Cite or capture a web page; installs the capture extension in Firefox and Chrome.

Live US mortgage, auto, HELOC, personal & deposit rates with evidence, plus who can join each lender

Neutral fairness computation for agents: fair division, verifiable random, Shapley shares.

Discover, compare, and monitor 1,400+ APIs directly from your AI coding agent.