MCP server directory
AI & models MCP servers
Categorized AI & models from each server's recorded tool names and description — the shelf reflects what the contract contains, not what the listing copy claims.
Lockzone
qevrulan.com
Chat rooms where agents talk to each other. Anyone can read, no token needed. To post, pass one short capability test. No signup, no API key.
Markdown Page
markdown.page
Publish Markdown to a public URL. Browsers receive HTML; command-line tools and agents receive plain text. No account or API key required.
PromptBrake Free Tools
promptbrake.com
Five free MCP tools: injection inputs, OWASP mapping, release plans, response packs and agent tool-call packs. MCP prepares tests; run tool packs in CI with staging dispatcher capture.
Thermite
thermite.rs
Sentry-compatible error tracking. Browse issues with full stack traces and source context, and let your agent claim, diagnose and annotate new errors from a triage queue.
TwitterXAPI
twitterxapi.com
Public X data for apps and AI agents through REST and MCP.
UserTold.ai
usertold.ai
Run AI-led user interviews and usability studies on your website from your agent. Set up studies, invite participants, then read transcripts, recordings and evidence-backed findings you can turn into
01Mind
01mind.net
A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.
0xHumans Protocol MCP
0xhumans-mcp-proxy.vercel.app
MCP for AI agents: financing, skills, lending on Base
13FLOW
13flow.eu
Source-linked SEC 13F research, quality checks, watchlists and audit trails for agents.
3TG Test Generation
mcp.3tg.dev
3rd Generation Testing (3TG) — generate deterministic test suites from Markdown spec tables via MCP.
402oracle
402oracle.com
Signed verification attestations for agent decisions: business, price, freshness, claim checks.
47620 Base + Polygon Data API
47620.xyz
Pay-per-call Base and Polygon onchain data over x402 for AI agents.
4bots
4bots.net
Drop-in daily content for AI briefing agents. 10 channels, 100 free calls on signup.
4bots-content
4bots.net
Daily content for AI agents. History, chess, investing, wrongology, more. 10 channels. Free trial.
6Frame Verify
web-production-1cede.up.railway.app
Paid website acceptance testing for AI agents. Quick $3, Full $12, $100 credit pack. MCP + REST.
A2A Artifact Handoff
a2a-artifact-handoff.onrender.com
Compiles source-agent outputs into validated, receiver-ready handoff packages.
A2APark
a2apark.com
Public behavioral test environment for AI agents with stateful rides and signed scorecards.
A2A Trust Plane
trust.the825.co
Tenant-scoped control layer for agent-to-agent systems: governed routing, approvals, evidence.
A2AWire Benchmark: Predict the News
a2awire.com
Compete on a live benchmark: buy real data, answer, get scored. Rated agents get hired.
AccordTrace
accordtrace.notary-labs.workers.dev
Tamper-evident proof creation and verification for AI agents via MCP, A2A, and REST.
acp-mcp-server
api.agenticcontrolplane.com
See, price, and control every tool call your AI agents make: policy checks, cost, and audit tools.
acprompt
www.acprompt.com
AI agent social network + no1land: a persistent multiplayer ASCII RPG agents play and co-build.
ActableSite AI Crawler Monitor
actablesite.com
Check AI crawler robots.txt policy and monitor public-site policy, sitemap, and llms.txt changes.
ActionDock
actiondock.app
Supervised API-write gateway for AI agents with policy, human approval and execution receipts.
ActionGate
api.actiongate.xyz
Pre-execution safety layer for autonomous agent wallets via MCP and x402.
Activepieces
cloud.activepieces.com
Build and run agents and automations across hundreds of apps using natural language.
ActuallyCare
mcp.actuallycare.com
Real-estate platform for agents: escrows, listings, clients, leads, and commissions. OAuth login.
acuris-mcp
api.acuris-geo.com
Address validation & geocoding for AI agents: 240+ countries, UK PAF, free US/CA enrichment
Adako — careful ad ops for AI agents
adako.ai
Google, Meta, ChatGPT, TikTok and LinkedIn Ads for AI agents. Every write needs your approval.
AdCritter for Agents
mcp.adcritter.com
Operate the AdCritter ads platform: campaigns, creatives, audiences, and reporting.
ADEXTO
adexto.xyz
Launch, buy, stake and claim on bonding-curve token markets across five chains, with your own key.
Adrails
adrails.ai
AI agents that build, test and monitor Meta Ads and Google Ads campaigns from your real data.
adside
api.adside.ai
AI agents that manage paid ads on Meta, LinkedIn, and Google Ads from any MCP client.
adsmcp
mcp.adgentek.ai
MCP-native ad server. Monetize AI chatbots and agents with conversational ads.
AEO Scanner
aeo-mcp.convrgent.ai
AI visibility for ChatGPT/Perplexity/Claude — triple score (AEO+GEO+Agent) with fix code. Free.
aether
appp.tail1cb552.ts.net
Marketplace where AI agents hire other agents, paid per call in USDC. Plus LLM inference.
aethereum
www.aethereum.dev
The team layer for AI coding agents: shared contracts, collision alerts, E2EE sessions.
Aether testnet wallet
explorer.157-245-252-221.sslip.io
Testnet wallet for AI agents on Aether: pay, get paid and buy from paid APIs, with spending caps.
african-fintech-mcp
fintech.opportunityradar.africa
Mobile money fees, African tax rates, currency conversion and Uganda PAYE for AI agents.
Agenshive
agenshive.com
AI agents post reproducible tests, answer questions and verify each other's results.
agent
fluxiq.xyz
Non-custodial Ethereum swaps and managed liquidity. You sign every tx; FluxIQ holds no funds.
agent-access-index
agentwares-access-index.vercel.app
Whether an AI agent may fetch a URL, on what terms, and at what price. Free, no key, no signup.
Agent Arcade
agent-arcade-ai.cursoraikk.chatgpt.site
Create, test and play AI-native games through server-authoritative contracts.
Agent Arcade Protocol 5
agentarcade.top
AI-only game publishing, autonomous play, live observation, replay and independent certification.
Agent Arena
agentarena.lol
Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free.
Agent Beacon
beacon.sophomath.com
Report capabilities needed and not found. Requests aren't fulfilled.
Agent Bounty Board
forge.websitesensei.com
A board where AI agents post the capabilities they wish existed and would pay for.
agentbuilt
agentbuilt.dev
Free AI-readiness audit of any URL: AI crawler rules, JS-free text, JSON-LD, llms.txt. Tool catalog.