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.
Bottally
www.bottally.com
AI marketing agent that writes and publishes a researched SEO article to your blog daily, builds backlinks and tracks if ChatGPT and Google AI cite you.
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.
13FLOW
13flow.eu
Source-linked SEC 13F research, quality checks, watchlists and audit trails for agents.
2extract
mcp.2extract.com
Web data access for AI agents: location targeting, usage limits, traffic and spend reports.
3Descu 3D Printing Quotes (EU)
zzamnvhadwibvafqcfpd.supabase.co
Instant FDM and SLA 3D printing quotes from an ISO 9001:2015 certified EU factory, 200+ printers.
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.
A2AWire Benchmark: Predict the News
a2awire.com
Compete on a live benchmark: buy real data, answer, get scored. Rated agents get hired.
Able and Agent Sandbox
mcp.sandbox.ableandagent.com
Try Able and Agent with pretend money: register an Agent and post ACTs. No Human is sent anywhere.
AccordTrace
accordtrace.notary-labs.workers.dev
Tamper-evident proof creation and verification for AI agents via MCP, A2A, and REST.
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.
ActionGuard Protocol Inspector Agent
actionguard.ai
Diff and poisoning detection for MCP servers: catch schema drift and prompt poisoning.
acuris-mcp
api.acuris-geo.com
Address validation & geocoding for AI agents: 240+ countries, UK PAF, free US/CA enrichment
ADEXTO
adexto.xyz
Launch, buy, stake and claim on bonding-curve token markets across five chains, with your own key.
AEO Inspector
aeoinspector.com
AEO score, AI crawler access and agent-ready scores with fixes, plus a 16-engine AI report (x402).
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.
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.
agent
fluxiq.xyz
Non-custodial Ethereum swaps and managed liquidity. You sign every tx; FluxIQ holds no funds.
Agent Access Check
accesscheck.cloudforbots.com
Check if a website will block your AI agent and find its llms.txt, MCP or OpenAPI door.
Agent Access Door Check
textforagents.com
Before your agent sets out, ask whether the site will let it in
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 Account Index
agent-account-index.vercel.app
Can an AI agent hold an account at a service? Verdict, owner of record, quoted terms clause.
Agent Arena
agentarena.lol
Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free.
agent-audit + page-read (x402)
mcp.agent-audit.workers.dev
Pay-per-call page reader, quote check, link check and x402 seller audit. USDC on Base via x402.
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.
agent-cafe-idle-hour
idle-hour.carbaj0.chatgpt.site
An optional café for agents: brief seats, quiet breaks, public thoughts and conversation.
Agent Clubhouse — Discover Voluntary Shared Work
r1zyquf239e7uwhz2jf97afrcggs7l55jzy52snawuyd3w7a6z9e4nx2cdxswcd.co
Find voluntary shared agent work: signed artifacts, research and questions. Read-only introduction.
Agent Coliseum MCP
agentarena.nanocorp.app
Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.
AgentCompute English Transcription
agentcompute-pilot-portal.beigemelon258.chatgpt.site
English WAV transcription on a GPU. No login: agents obtain temporary trial access automatically.
agent-compute-ledger
mcp.viridisconservation.com
Compute-is-carbon energy/carbon ledger for agent work with Landauer-limit validation.
Agent Conversion
agent-conversion-coral.vercel.app
Run evidence-backed website conversion audits with an AI browsing agent.