Model and agent tools MCP servers
8,850 servers
Call other models, run sub-agents, manage prompts and evaluate outputs.
- Grandet
io.github.hanzohanzhe/grandetCheapest API for any model across official, inference and relay providers; find free credits
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Gateway Price Disclosure Check
io.github.happy520ai/gateway-price-checkChecks whether an OpenAI-compatible endpoint publishes model prices without an account or key.
Version check not run yet
Model and agent tools Official MCP Registry Local
- Unified AI System MCP Gateway
io.github.happy520ai/unified-ai-systemSelf-hosted MCP gateway for Codex, Cursor, and Cline with provider-free prompt enhancement.
Version check not run yet
Model and agent tools Official MCP Registry Local
- retriEVAL
io.github.hcarrillo001/retrieval-mcpLLM evals as MCP tools: score outputs for faithfulness, relevancy, and hallucination.
Version check not run yet
Model and agent tools Official MCP Registry Local
- Rtcf
io.github.hengkp/rtcfTurns rough requests into sharp Role/Task/Context/Format prompts. Thai and English.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- HODLXXI Read-Only
io.github.hodlxxi/hodlxxi-readonlyPublic read-only MCP server for HODLXXI agent identity, trust, receipts, and verification.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Rails Agent Skills
io.github.igmarin/rails-agent-skills-mcpRails development skills, docs, and workflows exposed through MCP stdio.
Version check not run yet
Maps and location Official MCP Registry Local
- Crawlinx
io.github.im-ff/crawlinx-mcpFree technical-SEO audit MCP: crawl a site, run checks, return an LLM-ready shareable report.
0% up · 30 days
Web search and scraping Official MCP Registry Remote
- Inthread
io.github.james-robson/inthreadSign in with email or GitHub. Invite others. Agent-to-agent, threaded, async MCP message inbox.
0% up · 30 days
Email Official MCP Registry Remote
- Consult Opencode
io.github.jayden99236/consult-opencodeDelegate a self-contained task to opencode's free-tier models as a one-shot subagent.
Version check not run yet
Project management Official MCP Registry Local
- Agent Arbitration
io.github.jdhart81/agent-arbitrationDeterministic, machine-verifiable dispute resolution for A2A escrows.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Agent Erc8004 Bridge
io.github.jdhart81/agent-erc8004-bridgeThe MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Agent Escrow
io.github.jdhart81/agent-escrowTrustless escrow & settlement for A2A transactions: exactly-once state machine, frozen fees, tamper-
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Agent Hive Orchestrator
io.github.jdhart81/agent-hive-orchestratorDeterministic nested hive-mind orchestration over the A2A rails: hire N solvers, adversarial cross-r
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Agent Identity Registry
io.github.jdhart81/agent-identity-registryVerifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Security Preflight
io.github.jdhart81/security-preflightStatic MCP, source-code and injection-indicator checks with redacted signed receipts.
100% up · 30 days
Security Official MCP Registry Remote
- Verdigraph — paid hosted MCP for compute routing
io.github.jdhart81/verdigraph-mcpPaid hosted MCP for agent-to-agent compute routing. 25% of net revenue funds conservation.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Wu Wei Router
io.github.jdhart81/wu-wei-routerPlan agent workload routes from evaluation and cost data. $1 USDC per plan; modeled savings only.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Veredicto Humano
io.github.jgsierra/veredicto-humano-x402Ask a real human (not an LLM) for a judgment, $0.10 USDC via x402. The result returns to the agent.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Handoff
io.github.josephibra/handoff-mcp-serverDurable agent-to-agent handoffs and shared scratchpad for multi-agent workflows.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Ducklab
io.github.jrullan/ducklabMulti-LLM dev harness, MCP-operable: bugs, cycles, gates. Verdicts are exit codes, never opinions.
Version check not run yet
Model and agent tools Official MCP Registry Local
- Agent Card Health Check
io.github.kadopi/agent-card-health-checkFree no-storage MCP that checks A2A Agent Card connection readiness for authorized targets.
100% up · 30 days
Monitoring and observability Official MCP Registry Remote
- Guardrail MCP
io.github.kadopi/guardrail-mcpDeterministic preflight checks for credentials, fund transfers, writes, and prompt overrides.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- TeTsuki Gateway
io.github.kairosusunsei/tetsuki-gatewayChecks whether a website has a usable llms.txt. Score 0–100. Free 3/day/IP, then ¥10.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Anansi Haven
io.github.kburrus64-max/anansi-havenFree home base for AI agents: memory, job board, agent directory, safe commons and free tools.
100% up · 30 days
Memory and context Official MCP Registry Remote
- edumints SCORM MCP
io.github.kemalyy/edumints-scorm-mcpCompiles structured specs into SCORM 1.2/2004 e-learning packages. 47 tools, quality gate, no LLM.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Raptr Agent Finder
io.github.kody-w/raptr-agent-finderFind a free, ready-made AI agent for a task in the open agent registry (RAR).
100% up · 30 days
Project management Official MCP Registry Remote
- Rar Agent Finder
io.github.kody-w/rar-agent-finderFind a free, ready-made AI agent for a task in the public RAPP Agent Registry.
100% up · 30 days
Project management Official MCP Registry Remote
- Perspective API Alternative (Toxicity Detection)
io.github.koyourmoon/perspective-api-alternativeToxicity scores (0-1) for text before an agent posts it. Perspective API compatible. No LLM.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- MCP Registry Search: Find, Discover & Install MCP Servers & Tools | Directory, Catalog, Marketplace
io.github.lbesecker195/mcp-registry-search-directoryMCP registry & directory: search, find & install 31k+ MCP servers & tools. Catalog and marketplace.
40.59% up · 30 days
Model and agent tools Official MCP Registry Remote
- ShareGrokBots
io.github.legacyinmotion/sharegrokbotsSearch shared Grok Bots by what they do. Credit the creator. No prompt text.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Durable Thinking
io.github.linxule/durable-thinkingSelf-hosted persistent sequential thinking with private history and MCP App visualization.
Address set by you
Data warehouses and analytics Official MCP Registry Remote
- No-Shell Agent Architect MCP
io.github.loved0543-dotcom/no-shell-agent-architect-mcpTurns vague automation requests into tool stacks, prompts, QA checks, and human boundaries.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- WebKitUI MCP
io.github.lowrisk75/webkitui-mcpNative WebKit for Mac. Human approval and persistent sign-ins. Requires the companion app.
Version check not run yet
Model and agent tools Official MCP Registry Local
- ActionGuard Protocol Inspector Agent
io.github.lsendel/actionguardDiff and poisoning detection for MCP servers: catch schema drift and prompt poisoning.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- LLM Provider MCP
io.github.manishiitg/llm-provider-mcpDelegate asynchronous coding jobs between Claude Code, Codex, Cursor Agent, and Pi.
Version check not run yet
Model and agent tools Official MCP Registry Local
- Chiwawa — AI Agent Registry
io.github.manuelrmz123/chiwawaSearch and discover AI agents across A2A and MCP protocols. 2,000+ agents with health tracking.
0% up · 30 days
Model and agent tools Official MCP Registry Remote
- Semantic Geometry
io.github.marcoret74/semantic-geometryDeterministic verifier: LLM proposes, graph verifies. Sub-ms, offline, 0 tokens.
0% up · 30 days
Model and agent tools Official MCP Registry Remote
- FutureProof AEO
io.github.mattyb12345nyc/futureproof-aeoTrack brand visibility across ChatGPT, Claude, Gemini & Perplexity. Scores, competitors, trends.
0% up · 30 days
Web search and scraping Official MCP Registry Remote
- Nonobench
io.github.mauricekleine/nonobenchAn open-source benchmark of how well LLMs solve nonogram puzzles, from 5x5 to 20x20.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- OpenAI Billing
io.github.mcp-dir/openai_billing-mcpOpenAI organization usage and cost reporting through an admin API key connected by the user.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Jev Guide
io.github.mdimamhosen/jev-guideSet up the JEV model router for Claude Code, Codex and Cursor, and install MCP servers.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Memwyre
io.github.memwyreai/memwyreUniversal persistent memory and knowledge retrieval layer for AI agents and LLMs.
0% up · 30 days
Memory and context Official MCP Registry Remote
- Agent Output Verifier by Sarnai
io.github.mglbagi/agent-output-verifierVerify an agent's output before you pay: JSON Schema + rules, signed receipts. Free during launch.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Render Unto Caesar
io.github.mightydatainc/ruc-mcpAn MCP server that fuses LLM contextual intelligence with procedural code reliability.
Version check not run yet
Model and agent tools Official MCP Registry Local
- Auth Token Service
io.github.mikerawsonnz/auth-token-serviceHash passwords with bcrypt and issue/verify JWT session tokens over A2A + MCP.
100% up · 30 days
Project management Official MCP Registry Remote
- Authenticated Llm Agent
io.github.mikerawsonnz/authenticated-llm-agentJWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- Authenticated Agent
io.github.mikerawsonnz/authenticated-mcp-agentJWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.
100% up · 30 days
Model and agent tools Official MCP Registry Remote