Find MCP servers that
actually work.

fx-signal

com-airblockfz-fx-signal

FX bottom/top signals: 48 pairs (USD/KRW base), verdict + score, scans. Pay-per-call x402.

heartbeat-monitor

dev-workers-cronping-oren-cronping-heartbeat-monitor

Dead-man's-switch for cron jobs & AI agents. Import a crontab to arm one silent-miss alert per job.

htag-docs

com-htagai-htag-docs

Public HTAG discovery for MCP tools, API endpoints, OpenAPI ops, and agents.

inflation-signal

com-airblockfz-inflation-signal

Inflation & Fed liquidity thermometer: 47 macro series, too_low..too_high. Pay-per-call x402.

javaBin archive — Norwegian Java community origins

org-totto-javabin-archieve

Forensic archive of javaBin & JavaZone origins (1998-2007) as a signed KCP knowledge web.

jp-m2m-gateway

io-github-kodandy-jp-m2m-gateway

Raw Japanese regulatory data for AI agents: pension, gazette, gBizINFO. x402-metered (USDC).

kalicart-global

io-github-giuseppesocci-bot-kalicart-global

Federated commerce search across independent WooCommerce merchants. Keyless, read-only MCP server.

leadership-agent

io-github-drjoergkrauter-leadership-agent

MCP-Server zum Buch 'Zukunft führen' (Dr. Jörg Krauter): BANI & Leadership-Impulse.

llm-output-quality-monitor

io-github-lazymac2x-llm-output-quality-monitor

Cloudflare Workers MCP server: llm-output-quality-monitor

lr-labs

io-github-abhinandansethi-lr-labs

Deterministic cross-border tax engine: PE, GAAR, Indian TP, rule-level lookup. Compiled law, no LLM.

mcp

com-lakpura-mcp

Search & book Lakpura Sri Lanka tours, transfers, stays & activities as an AI agent.

mcp

com-modelpricewatch-mcp

Live LLM API pricing: token prices, comparisons, cheapest-model lookups. No key required.

mcp

ai-aivonic-mcp

Do business with Aivonic: pricing, products, check availability, book a demo, request a quote.

nextrole

io-github-hyperdrift-io-nextrole

A job-search companion: tailor your CV to a role, score fit, fix ATS issues. Also via MCP.

npm-package-ws-has-241560546-weekly-downloads-but-sdk

io-github-nexus-mcp-infra-npm-package-ws-has-241560546-weekly-downloads-but-sdk

Stateful WebSocket session registry with per-connection Shannon entropy delta tracking for schema di

onramperx

com-mudko-onramperx

Non-custodial value router: ranked fiat/crypto & cross-chain routes, swaps, onramp, gasless wallet.

operant-mcp

io-github-saagpatel-operant-mcp

Read-only MCP server for the OPERANT AI operating-agent calibration benchmark.

podcasts

com-petabloom-podcasts

An MCP server that provides tools to discover and retrieve podcast episodes transcripts.

quantdata

uk-quantdata-quantdata

Four market-statistics tools + a free qd_ key by email: 1 anonymous look, then 10 calls/UTC day.

reefapi-mcp

io-github-reefapi-reefapi-mcp

One MCP for 160+ live web-data APIs — clean JSON from sites that block scrapers.

remote.observer — machine-economy observatory

observer-remote-remote-observer

Free MCP window into a live autonomous machine-economy experiment: telemetry, hypothesis scoreboard.

royaltea-public

technology-royalty-royaltea-public

Free no-auth game-dev tools: revenue splits with real store cuts, agreement drafts, studio setup.

scrape402

io-github-scrape402-scrape402

Pay-per-call agent tools via x402 (USDC on Base): chat, prices, funding, RNG. No account or keys.

scrapi

io-github-bamchi-scrapi

Web scraping for AI agents. Converts URLs to clean, LLM-ready Markdown with anti-bot bypass.

signals

uk-co-racingalpha-signals

GB & IRE horse racing signals: AI scores, fair prices, draw bias, and a frozen public tips ledger.

sinoconnection-esim-mcp

io-github-skyunlimit-sinoconnection-esim-mcp

China & Asia travel eSIM specialist. 200+ countries. No-VPN internet in China.

stock-signal-kr

com-airblockfz-stock-signal-kr

Korea stock (KOSPI/KOSDAQ) bottom/top signals: verdict + score, scans. Pay-per-call x402.

stock-signal-us

com-airblockfz-stock-signal-us

US stock bottom/top signals: S&P500 + indexes, verdict + score, scans. Pay-per-call x402.

wavefunction-search

io-github-jdhart81-wavefunction-search

Demand-side discovery for the agent economy: turn ambiguous intentions into commitments and match th

wondel-skills-mcp

io-github-mjaskolski-wondel-skills-mcp

Read-only MCP server over 50 book-based agent skills: routes a task to the right framework.

zero-core-verify

io-github-meltingpixelsai-zero-core-verify

Post-tx outcome verification via LLM-as-judge. Zero Core Verify.

株式会社一創 コーポレートサイト

jp-co-issoh-corporate-site

株式会社一創（issoh.co.jp）の技術記事・サービス・制作実績を検索できる MCP サーバー。システム開発・AI・クラウド・Web 制作の日本語情報

402oracle

com-402oracle-402oracle

Signed verification attestations for agent decisions: business, price, freshness, claim checks.

AI API Radar

com-dropwatchhq-ai-api-radar

Live LLM API price + status radar across 11 providers, with public per-model price HISTORY.

AI-Portal Enterprise GenAI Briefing

ai-ai-portal-ai-portal

Live AI data for agents: model releases, regulations (EU AI Act), GenAI glossary, daily news.

Agent Community

org-agentcommunity-mcp

Agent Community MCP: member lookup, stats, DMV checks, and proposed .agent name interest.

Agent Radar

io-github-zation-agent-radar

Search, inspect, recommend, and explain rated AI tools through Agent Radar.

Agent Utility MCP

io-github-insivotron-agent-utility-mcp

Stop your agent before it runs rm -rf /etc or emails your .env. Deterministic preflight checks.

Agent Zero — ERC-8004 Trust Filter

io-onchainagentintel-agent-zero-intel

Trust filter for ERC-8004: only ~3.8% of x402 endpoints hit 5+ payers/30d. Free MCP; x402 upgrade.

AgentGrade

com-agentgrade-mcp-server

Scan any website for AI agent readiness, payment protocols, and discovery endpoints

Agentic Prompt

io-github-kunanigaming-agentic-prompt

1,177 free agentic trading prompts for Claude and Robinhood MCP.

AgentsKit Registry

io-github-agentskit-io-agentskit-registry

Discover open-source AI agents and get source-owned installation instructions through MCP.

Amendor

io-github-deslay1-amendor-mcp

Pull change requests from your Amendor board into your coding agent to build and open PRs.

Archangel Agency MCP

io-github-jthora-archangel-agency-mcp

Universal Language briefings, FusionGirl context JSONs, service catalog, agent info. x402-enabled.

Arclan MCP Registry

ai-arclan-registry

MCP server registry — validated by live handshake, scored on reliability, monitored continuously.

AsterPay — EUR Settlement for AI Agents

io-asterpay-asterpay

EUR settlement + trust for AI agent commerce: budgets, KYA, merchant discovery. 22 tools.

Buy My Agent

io-github-buymyagent-technologies-inc-marketplace

Discover AI agents by outcome. Read-only search and reads of public marketplace listings.

CSIDIA — operational notes and capabilities

com-csidia-notes

AI regulation, data protection and compliance notes from CSIDIA, plus its capability catalogue.