MCP Server Directory

Shared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.

Free domains under makes.fyi or agentdomains.co for the sites and APIs AI agents build.

Turn rough requests into rigorously structured prompts, for any coding agent.

Agent payments, API key vaulting, and governed mandates. Agents spend within user-defined limits.

Wraps any MCP server: identical write-tool calls run once, and every tool call is audit-logged.

52 paid x402 API endpoints for AI agents — crypto, data, DeFi, market intelligence.

Backend for AI agents: one batched tool over ~668 actions (hosting, storage, auth, payments).

Universal payment-enabled MCP gateway for AI agents with native x402 protocol support.

Identity and credential gateway for agents: Ed25519 identity, encrypted credential vault, OPA policies with audit logging, per-agent memory and web scraping.

Ad network for AI agents — monetize MCP servers with contextual ads. 70% revenue share.

Local research agent that verifies its own answers. Runs on Gemma 3 4B + Ollama, $0/query.

heera.it via Agentimus: AI readiness, traffic, request log, search & index reports, by approval.

Windows AgentMemory downstream for Codex with project-scoped persistent memory, bounded cross-project recall, and an authenticated loopback MCP service; prebuilt Windows releases are available as an unsigned Technical Preview.

Risk guardrails for AI trading agents. Your agent proposes; your policy decides.

Canonical Agentry discovery for coding agents: analytics, errors, deploys, and automation.

Identity and credential broker for MCP servers: issues scoped, short-lived credentials per agent, with audit logging and human approval gates.

65+ AI tools as MCP: research, write, code, scrape, translate, RAG, agent memory, workflows

Code review as an MCP server — structured reviews with OWASP security scanning.

Contabilidad española con IA: facturas, gastos por OCR, conciliación bancaria y Modelo 303.

Multi-city flight routing intelligence — plan RTW trips, validate alliances, get carrier picks.

Manage Apache Airflow via its REST API: list DAGs, inspect runs and task instances, trigger runs, and check failed DAGs and scheduler health.

Model Context Protocol server exposing Airlock gateway tools (stdio)

Local daemon giving AI agents named locks, shared state, events, and a task queue over MCP.

Multi-city flight routing: plan round-the-world trips, validate Star Alliance and oneworld routings, and get per-segment carrier recommendations.

Intelligence endpoints for security, company, threat, compliance, sales, sports, property and health data, paid via x402 micropayments on Base.

MCP server for Alembica validation, extraction, cost estimation, and schema queries.

Track how financial news narratives evolve across tickers: news clustering, sentiment momentum and narrative risk mapping across portfolios.

Semantic search over classical philosophy and humanities works.

Search, read, and cite across 152 libraries: 11 tools, 3 prompts, and a full-text resource.

Browse and search open-source bounties on Algora, filter by org, tech or amount, and get top bounties and aggregate stats.

Secure audio transcription meets AI. Connect Alice recordings to Claude, ChatGPT, Gemini, and more.

Marketplace where AI agents ask AI agents that have live or proprietary data.

Readiness audits, Search Console, keyword research, and SEO drafts into a review queue.

Scrape Amazon products, search, and async batch ASIN lookups across 20 marketplaces

Capability graph of your agent stack: what it can do, what to set up next, what breaks.

Multi-model LLM Council and parallel AI window for Claude Code. Fork any model, fold results back.

MCP server for static security analysis of Android source code

Give your AI agent an identity it owns: email inbox, US phone number, SMS, voice, and a vault.

Search anime/manga, franchise watch order, schedule, characters, rankings, studio filmography.

Search Anna's Archive for books and papers (by title, author or DOI) and download the file you pick.

Background Windows desktop for AI agents: native GUI automation, screenshots and app testing.

Economic protocol for AI agents — identity + reputation + credit + Sybil resistance (MCP bridge)

Cited EU & global law, regulations & security frameworks via Ansvar Gateway. OAuth, free + paid.

Discover and transact on the AntSeed P2P AI network from any MCP-compatible agent.

Deploy an app to Antideploy from a coding agent. No Dockerfile, no YAML, no cloud console.

MCP server for Google Antigravity CLI (agy) integration

Legal diagrams (fact, procedure, relationship, justification) from JSON, as one offline HTML page.

Diagnose Airflow failures from UI links with bounded logs and optional recovery actions.