Find MCP servers that
actually work.

create-survey

io-github-feedbk-ai-create-survey

Create AI surveys with dynamic follow-up probing directly from your AI assistant.

entity-resolve

com-x402supply-entity-resolve

Fuzzy entity resolution and dedupe for names, addresses, and company records. $0.02/call via x402.

erc8004-agent-liveness

io-github-nexus-mcp-infra-erc8004-agent-liveness

Checks whether an ERC-8004-registered agent is actually alive right now via a real MCP handshake

fde-agent

io-github-minjikim89-fde-agent

Diagnose AI workflows for failure, security, and handoff risks — RED/AMBER/GREEN per node.

htmldrop

io-github-vin-spiegel-htmldrop

Publish HTML, Markdown, PDF, or images as instant shareable links with expiry and passwords.

hush

com-royashbrook-hush

A secret store for AI agents: the agent never sees the plaintext.

is-real-biz

io-github-smart-link-t-is-real-biz

Verify business legitimacy by domain or name in <2s. Trust score, verdict, evidence. x402-payable.

link-followability

com-handsofflinks-link-followability

Check if a link on a live page is followable: rel tokens, meta robots and X-Robots-Tag

mcp-public

io-github-tiza-ai-mcp-public

Search engine for AI agents to find MCP servers, A2A agents, and skills on their own.

phoenix-screen

com-dropwatchhq-phoenix-screen

Phoenix/rebrand relink detection: links a debarred principal to a newly-formed business entity.

pii-redact

com-x402supply-pii-redact

Detects and redacts PII (emails, phones, SSNs, names, addresses) from text. $0.02/call via x402.

pkg-oracle — Dependency Trust Oracle

io-github-julian-martin89-pkg-oracle

Pay-per-call dependency trust oracle: verifies npm/PyPI packages before an AI agent installs them.

pohjola-api

io-github-nousulabs-debug-pohjola-api

Agent-native API for Finnish public company data via YTJ. Pay-per-call $0.01 USDC over x402.

recall-risk

com-dropwatchhq-recall-risk

Check a product's recall risk: score + active CPSC/FDA/NHTSA recalls for a product or brand.

retasc

com-retasc-retasc

The issue tracker AI coding agents pull work from: atomic claims, dependency-aware dispatch.

review-mcp

io-github-hectorguerilla-review-mcp

Multi-model code review: a panel of models + detectors return a pass/fail verdict. Paid via x402.

self-inspect-mcp

io-github-ejentum-self-inspect-mcp

Send a thought, get one metathought that makes your agent inspect its own assumptions. Keyless.

simulate-monte-carlo

io-github-encodi-simulate-monte-carlo

Real Monte Carlo simulation of a compound event/conditional probability. Paid via x402.

stillos-kya

io-github-stillmarcus24-stillos-kya

KYA: fail-closed CLEAR/REVIEW/BLOCK counterparty screen (OFAC + on-chain), signed receipt.

surf

tech-geckovision-surf

Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.

validar-codigo-medico

io-github-encodi-validar-codigo-medico

Validates ICD-10-CM against the real FY2026 catalog (NCHS/CDC) and CPT by structure/category.

validar-semver

io-github-encodi-validar-semver

Resolves real semver range satisfaction (^1.2.3, ~2.0) against a version. Paid via x402/USDC.

web-scraper

com-agishub-web-scraper

Web tools for agents: fetch URL as markdown (free MCP) + x402 scrape, links, AI JSON, snapshot.

NodeRooms Discovery

io-github-mixxyai-noderooms-discovery

Read-only NodeRooms Agent discovery, safety policy, public indexes, and arrival contract.

CatchAll

com-newscatcherapi-catchall

Web search API: find every relevant event across the open web, not just the top results.

Agent^Rider

io-github-ceedot-rock-agent-rider

Signed agent identity, trust scoring, credit economy, and social layer for AI agents.

ampel

io-tooloracle-ampel

AmpelOracle — 50-tool compliance traffic-light: Go/Caution/Stop signals for ESG, MiCA, AML.

stagenth · file-relay

com-stagenth-file-relay

Cloud file relay: chunked uploads, folders, share links, inline text reads, ZIP packing.

Open Archives

io-github-coret-openarchieven-mcp-server

MCP server for Open Archives: Dutch genealogical records and historical page transcriptions.

sphere-marketplace

io-github-dtajitdinov-aris-sphere-marketplace

International marketplace where AI agents offer, order, and get paid for services and capabilities.

Second Eyes Agent Workflow Services

io-github-this-is-hellgate-secondeye-mcp-unblock

Workflow diagnostics, capability routing, and x402 settlement for MCP-compatible agents.

Starwell: World Data & Statistics

dev-starwell-world-data-statistics

Statistics from 28 agencies: FRED, Eurostat, ECB, World Bank, OECD. Cited values, computed answers.

ai-agent-scratchpad

io-github-lazymac2x-ai-agent-scratchpad

Cloudflare Workers MCP server: ai-agent-scratchpad

ai-prompt-optimizer

io-github-lazymac2x-ai-prompt-optimizer

Cloudflare Workers MCP server: ai-prompt-optimizer

mifactory-spec-api

io-github-mifactory-bot-mifactory-spec-api

Convert docs to agent-readable specs with criteria and constraints. $0.10/convert.

mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments

io-github-timwal78-mcp-x402

85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.

CompletionKit

com-completionkit-evals

Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.

Heista

co-heista-api

Decode video ads, load brand intelligence, generate ad scripts.

SupplySlate

com-supplyslate-sourcing

Agent-native supply network for components, fabrication, industrial RFQs, offers, and fulfillment.

GENESIS ProofRelay MCP Verifier

io-genesisre-proofrelay-mcp-verifier

Read-only verifier for 25 ProofRelay MCP tools and non-confidential evidence bundles.

ShowMeOnMap

com-showmeonmap-maps

Ask in plain English, get a rendered, shareable map from live public data. 24 geospatial tools.

commercial

com-digitalpublic-commercial

Discover DigitalPublic plans, trust, ROI, status and autonomous Sandbox enrollment for AI agents.

TaskMan of London

london-taskman-home-services

Book London furniture assembly, wall mounting, handyman, electrical, and smart home jobs.

Revise

io-revise-mcp-server

Collaborative word processor you can use with your agent.

a2a2p — Agent-to-Agent-to-Physical

com-a2a2p-a2a2p

Turn agent intent into physical parts: engineering review, measured geometry, calibrated pricing.

frantic

com-gofrantic-frantic

Outsource tasks to AI agents on a public bounty board. USDC on Base, paid on accepted delivery.

DOS AI

pro-dosai-dos-ai

Run WhatsApp and Telegram AI assistants: projects, prompts, leads, chats, analytics.

Cameron Rye Portfolio MCP Server

dev-rye-portfolio

Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.