MCP servers.
Connect a server the community built.
An MCP server is a program somebody else built that gives your AI new tools: search a service, read a file, call an API.
Connect one here and Claude, Claude Code, ChatGPT, Codex and Cursor all reach it through a single endpoint, with your key held on the server side.
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12,811 results · page 358 of 428
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reference-mcpMCP serverAI & models
Reference integrity for AI agents. Scans and verifies links, imports, assets, deps.
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reference-searchMCP serverSearch
Sourced Vedic astrology (Jyotish) answers: effects, factors and yogas, cited to jeeva-jyotish.com.
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referencesourceMCP serverMonitoring & ops
Is a foreign supplier on an FDA import alert red list, detained at the US border? 14,000+ listings.
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reflexMCP serverWeb & browsing
Browser automation for AI agents: compressed page snapshots, batched actions, fewer tokens.
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regex-safety-audit-mcpMCP serverDev tools
Detects catastrophic-backtracking (ReDoS) regex risk via AST parsing, with JS-safe rewrites.
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regexcronsql-validatorMCP serverDatabases & data
Valida regex, cron y SQL contra ejecucion real. Pago por llamada via x402/USDC.
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regexforgeMCP serverAI & models
Deterministic regex synthesis from labeled examples. Zero LLM, proof matrix, backtracking audit.
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regimenMCP serverCommerce & finance
Tells you whether a trading strategy's edge is distinguishable from luck.
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reginfoMCP serverDev tools
reginfo MCP — the Unified Agenda of Federal Regulatory and Deregulatory
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registeroracleMCP serverDev tools
RegisterOracle - 10-tool DORA Art.28 register: ICT third-party, contracts, criticality.
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registradores_certid_download-mcpMCP serverDev tools
Registradores (ARISP) Certificate: Download de Certificate Digital, official-source lookup. Platform
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registradores_certid_pedido-mcpMCP serverDev tools
Registradores (ARISP) Certificate: Novo Pedido de Certificate Digital, official-source lookup. Platf
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registradores_certid_recibo-mcpMCP serverDev tools
Registradores (ARISP) Certificate: Download de Recibo, official-source lookup. Platform-hosted, pay
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registradores_info_conta-mcpMCP serverDev tools
Registradores (ARISP): Lookup de Informações da Conta, official-source lookup. Platform-hosted, pay
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registradores_matric_download-mcpMCP serverDev tools
Registradores (ARISP) Matrícula: Download de Matrícula, official-source lookup. Platform-hosted, pay
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registradores_matric_lista-mcpMCP serverDev tools
Registradores (ARISP) Matrícula: Lista de Pedidos, official-source lookup. Platform-hosted, pay per
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registradores_matric_pedido-mcpMCP serverDev tools
Registradores (ARISP) Matrícula: Novo Pedido de Visualização de Matrícula, official-source lookup. P
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registradores_matric_recibo-mcpMCP serverDev tools
Registradores (ARISP) Matrícula: Download de Recibo, official-source lookup. Platform-hosted, pay pe
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registro_civil_val_cert_eletr-mcpMCP serverDev tools
Registro Civil: Validar Certificate Eletrônica, official-source lookup. Platform-hosted, pay per que
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registro_pf_ar-mcpMCP serverDev tools
Registration data for an individual in Argentina from the DNI. Platform-hosted, no credentials, pay
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registro_pf_br-mcpMCP serverDev tools
Registration data for an individual in Brazil from the CPF and name. Platform-hosted, no credentials
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registro_pf_mx-mcpMCP serverDev tools
Registration data for an individual in Mexico from the CURP. Platform-hosted, no credentials, pay pe
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registry-mcpMCP serverDev tools
The company registry MCP: brreg orgnr, Companies House, Bolagsverket organisationsnummer.
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regon-plMCP serverDev tools
Polish business register (REGON / BIR1.1) — resolve any Polish company by NIP, REGON or KRS number…
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regulations-aiMCP serverDev tools
AI laws from 110+ countries, enforcement actions and a 3,900-term glossary. Free, no API key.
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regulations-govMCP serverDocs & knowledge
Regulations.gov MCP — federal regulatory dockets, documents, public comments
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regulatoryMCP serverDev tools
Live US federal and state regulatory changes and grant programs, every result cited.
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regulatory-catalystsMCP serverProductivity
Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).
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regulatory-intel-mcpMCP serverAI & models
US Federal Register for AI agents: rules, notices, executive orders, agency lookup. No keys.
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What is an MCP server?
The Model Context Protocol is the open standard AI clients use to call tools. An MCP server is a program that answers those calls: it publishes a few tools with their inputs, and the AI decides when to use them. Most are written by the people who needed them and published as open source, which is why this list is long and uneven.
8,900 of the 12,811 servers listed here can be served through ahel today. The rest stay listed so you can find them and read what they do, and their pages say plainly that ahel cannot serve them yet.
Connect one to Claude, Cursor, Codex or ChatGPT
Connecting a server here does not put anything on your machine. ahel runs it and serves its tools to every AI client you sign in with, so one connection covers Claude, Claude Code, ChatGPT, Codex, Cursor and VS Code with Copilot.
Your client's tool list stays the same size whatever you connect: a server's own tools are read with the tools verb and run with the use verb. Keys are sealed in ahel and injected server side, so a credential never crosses the link.