MCP Server Directory

crabbitmq/crabbit_mq

Async message queue for AI agents. Self-provision queues, push/poll messages, no signup.

MiniMap-ai/crier.network

Bulletin board for agents: find and post local events, offers and requests. Reads need no key.

CarnivalBigTop/dearhuman-mcp

Send e-cards to your human. The first store built for AI agents; free, no API key needed.

com.deepchampai/deepchamp-agents

Free sports slate and matchup research for AI agents over MCP and REST. Research only; 21+.

io.github.buttacavoligiuse/deltamesh

Free public web freshness and response-metadata checks for AI agents.

dev.desvela/registry

What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. Free.

hivecommons/dibs

Submit ideas to hive-managed open source repos and get credited when agents ship them.

ai.droneintelligence/drone-intelligence

Drone-sector market intelligence for AI agents: free briefings and profiles, licenced tracker data.

manhatton31-svg/dualregistry

Free dual MCP+agent registry. Probe Live, free demo, Kernel/Loop. Self-list + dual strategy.

mjbf5g7y8m-byte/matrix

Directory of AI agents that are live right now: find, message, bid. Free.

link.morningbrief/edgar

SEC financials for AI agents: statements for 8,000+ public companies. 5 tools, free, no key.

liren001/eth-legion-network

Free shared LLM inference (no key), verifiable score certificates, public randomness beacon.

ru.mcp-everything/russian-apis

Russian APIs for AI agents: YooKassa, CDEK, Bitrix24 and more. Ready scenarios with code. No key.

io.extcord/extcord

Agent utilities: read big pages without filling context, exact math, dates, parsing. Free.

com.familiartarot/tarot

Free tarot for Claude & your AI — many decks, real card art, a true shuffle, drawn & discussed.

predictionmarketspicks/fantasy-draft-mcp

Fantasy football for any AI agent: draft board, start/sit, waivers, your Sleeper league. Free.

link.morningbrief/farmland

USDA farmland values and county cash rents for AI agents. NASS data, 3 tools, free, no key.

io.github.IgnatiusTheYoungerAI/fde-lessons-warn-feed

Forward Deployed Engineering rules traced to real incidents. Agent pays per query, no account.

a0971025732-netizen/finch-agent-catalog-mcp

Free: OFAC check, ATS keywords, FOMC/CPI dates, US yields, HL perps, SG stamp duty, Finch agents

io.github.tonbifun/fixmyjson

Repair broken LLM JSON and check it against a JSON Schema. Flags cut-off output. Free trial.

chaiseetbureau/folkmoot

AI agents debate, vote and reach binding decisions in public halls. No signup to read.

si.fourzerotwo/data

400+ data APIs for agents: UK companies, property, trade, tenders, recalls, sanctions. Free tier

app.replit.austere-unsteady-pdf/free-agent-economy-lab

Free buyer-side outcome verification and provider comparison for supplied agent receipts.

RyanByrne/free-card-sort

Run UX research from Claude — create card sort studies, list studies, pull headline stats.

com.freelanceclearing/marketplace

Hire a human or agent for what you can't do. Read the whole market with no account and no key.

com.free-sign/signing

Free e-signature for humans and AI agents — zero-document PDF signing from hashes only.

kirillradchenko96/fresh402

Persistent web/Base observations and recoverable results. Free Register, 7 paid tools; REST/MCP.

giskard09/mcp-origin

Free bootstrap MCP server for new agents. Pointers to the Mycelium ecosystem.

io.github.Ariescar/gobkit-free-3d

Free CC0 low-poly 3D models (GLB): rigged, animated animals, dinos, insects, people. No key.

aniripsaretro-max/golemreach

Persistent MMORPG where AI agents play alongside humans. 12 tools, 4 resources; free, no pay-to-win.

guruwalk/affiliates-mcp

GuruWalk affiliate program for AI agents. Free walking tours in 100+ countries. Earn per booking.

Matthews3301/heystack

Living documents and tables that people and AI agents read, improve and create together. No sign-up.

hproxy-com/hproxy-mcp

Free proxy list, live proxy checker and IP lookup for AI agents. No key, nothing to install.

ai.humanproblems/humanproblems

AI agent debate arena: read human problems free, register_agent in 1 call, argue with our bots.

ia-qa-com/mcp

Dev utilities for agents: JSON/YAML/CSV, schema validation, encoding, text & time. Free, no key.

babyblueviper1/invinoveritas-mcp

Second opinion before an irreversible agent action; signed proofs, free verify, public ledger.

ai.jawz/jawz

Live macro data for AI agents: regime, conditions, liquidity, with input provenance. No signup.

ch.kulalabs.agents/jobflow

Existing trade and field-service flow for AI agents, request to paid job. Free intent.match first.

comallagency/kairos-x402-service

Free MCP tools to validate multi-agent coordination thread turns and retrieve schema/samples.

io.github.PugarHuda/kawal

Evidence about ERC-8004 agents on BNB Smart Chain, gathered by calling them. No key.

com.kindnod/consent

GDPR cookie banner any coding agent can install with no account: provision, snippet, scan, verify.

KooLink/koolink-cli

Shorten any long URL into a clean kool.ink link. Free, unlimited, no signup. AI-agent ready.

tech.latitude10/agent-readiness

Scores how well AI agents will use your API, 0-100, from its OpenAPI spec. Free and read-only.

uk.lemou.ai/free-tools

Free HTML/CSV conversion, JSON validation, text stats and time APIs. Optional agent interviews.

io.github.Computersmarts1/licensegate

Open-source licence risk checks for AI coding agents and dependency trees.

app.lovable.release-ripple-roadmap/logpulse

Changelogs for coding agents: versions, breaking changes, migrations. Free changelog-to-JSON.

lqwdtech/lqwdclawnode

Free Lightning faucet MCP — agents register, get an inbound channel, bootstrap an LDK node.

app.lumaion/continuity

Agent continuity: live continuity index, self-test contract, offline Continuity Proof verification.