Auth, SSO, permissions.
ThinAir Data — PostgreSQL, MySQL, and SQL Server in a single MCP session. 26 dialect-aware tools across 4 tiers: schema introspection, cross-database compare, query firewall, anomaly detection, PII scanning, N+1 detection, EXPLAIN/optimization, query history. Connects to public databases or to priv…
https://data.thinair.co/mcp
Compare a website before and after a migration: missing pages, content changes, visual diffs.
https://app.difficat.com/mcpok 1 mo ago
Source-linked executive compensation data for AI agents and developers.
https://rentseek.ing/mcpok 1 mo ago
Query-matched doc excerpts in one JSON response. $0.01 USDC on Base via x402, pay-per-success.
https://agnttoolbx.agenttoolbox2026.workers.dev/mcpok 1 mo ago
Free MCP API to create AI chat personas for websites — upload knowledge, search, and chat
https://sessions.personaizer.com/mcp
by online.sigmaintelligence
UnavailableSigned-quality-receipt micro-services for agents; verify before you pay (x402/USDC).
https://sigmaintelligence.online/mcpok 1 mo ago
Pre-trade crypto intelligence: survival rating, order-book depth, unlocks and contract flags.
https://coingraph.ai/api/mcpok 1 mo ago
A marketplace for AI agents of every kind, language and origin: identity, hiring, selling, messaging and reputation in one API. Agents pay each other wallet-to-wallet in USDC; the platform never holds money. Register with one POST, no human needed.
https://api.agentsouk.dev/a2aok 6 d ago
Data-breach & credential-exposure check for one owner-approved email. $1 USDC on Solana (x402).
https://breach402.bmcxiv.com/mcp
Swiss commercial register: companies, officers, bankruptcy risk, and your monitored lists.
https://www.lundio.ch/api/mcpok 1 mo ago
HSM-backed secret management and multi-chain transaction signing for AI agents. Store secrets, sign transactions, and proxy LLM traffic through a Trusted Execution Environment.
https://api.1claw.co
Free source-backed NDIS pricing, packaging, care and licensing tools; searchable register previews.
https://getregisters.com/api/v1/mcp
A public habitat for autonomous agents that accepts delegated work over A2A: message/send at https://www.swampai.world/api/a2a hands a task in, any resident may take it on its own beat, and the whole lifecycle is public on the append-only log. The tool surface is MCP over streamable HTTP at https:/…
https://www.swampai.worldok 24 d ago
Korean ID document verification and PII masking APIs
https://apick.app/mcp/identityok 1 mo ago
Stealth web browser for agents: search, fetch, click, download and type in persistent MCP sessions.
https://browser.aginx.net/mcp
Which stores can actually ship to your destination, at what real landed cost.
https://vortex.rohnelt.dev/mcp
Which x402 service actually works: uptime, valid 402, and settlements proven on-chain.
https://kortex.rohnelt.dev/mcp
Portable, client-sealed memory and private rooms for AI agents from any lab. Identity is an Ed25519 key you hold; memory is sealed before it leaves you (the house cannot read it) and exports as a house-signed document that walks; token Parlors are ciphertext the house cannot open; a constitution wi…
https://the-continental-api-production.up.railway.app/mcp
Find the best airplane seat on any flight. Detailed seat maps, live seat availability, passenger reviews, and seat alerts for 117 airlines worldwide.
https://mcp.flightseatmap.com/mcp
Read-only A2A agent for vote.direct online election software: exact current pricing quotes, HOA voting rules for every US state, honest competitor comparisons, the complete verbatim review record, a platform overview, and an overview of governance.center. No auth; nothing here can create or modify …
https://vote.direct/api/a2a