MCP servers, all 10,657 of them.

Tools your agents call: browsers, databases, APIs, clouds. Browse every MCP server from the official registry in one searchable catalog. Add one to your gateway and every agent you use gets it through one link.

4,403 results · page 90 of 147 · 2,491 low signal or duplicate entries are not listed

  • omnistream-mcpDev tools

    MCP server for OmniStream. Lets AI assistants discover and call any marketplace API.

    Add
  • onchain-alpha-labDev tools

    Paid MCP tools for onchain alpha research, X content analysis, and KOL distillation.

    Serves today

    github.com/destinyyg/onchain-alpha-mcp

    Add
  • one-minute-akariDev tools

    A free one-minute reset for people, delivered by AI, with no account or personal data.

    Serves today

    github.com/ainoakari/arigatou-kawaii-lp

    Add
  • onec-odata-mcpDev tools

    Read-only MCP server for 1C:Enterprise via OData with metadata and query builder tools.

    github.com/pyrfor/onec-odata-mcp

    Add
  • oneciteDev tools

    Generate academic citations from DOI, arXiv, titles, or URLs in BibTeX, APA, MLA formats.

    ★ 65

    github.com/hzacode/onecite

    Add
  • onedriveDev tools

    OneDrive (Microsoft Graph) MCP Pack

    Serves today

    github.com/pipeworx-io/mcp-onedrive

    Add
  • onelens-mcpDev tools

    Query OneLens cloud-cost data in natural language: breakdowns, trends, cost centers. Read-only.

    Serves today

    github.com/astuto-ai/mcp

    Add
  • onr_mapa_registro_imoveis-mcpDev tools

    ONR: Mapa do Registro de Imóveis, official-source lookup. Platform-hosted, pay per query with prepai

    Serves today

    github.com/mcp-dir/onr_mapa_registro_imoveis-mcp

    Add
  • onthecheap-mcpDev tools

    On the Cheap MCP — free and cheap events, deals and local guides across 14 US cities

    github.com/chrischall/onthecheap-mcp

    Add
  • onthisdayDev tools

    On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

    Serves today

    github.com/pipeworx-io/mcp-onthisday

    Add
  • ontomicsDev tools

    Index your codebase's domain knowledge. 20x fewer tokens, 10x faster.

    github.com/etiennechollet/ontomics

    Add
  • onyx-mcpDev tools

    Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.

    Serves today

    github.com/dimitrilaouanis-tech/onyx-mcp

    Add
  • oolkinDev tools

    AI colleagues that keep your standards, your project and their reasoning between sessions

    Serves today

    github.com/edgarator/understudy

    Add
  • oorep-mcpDev tools

    MCP server and TypeScript SDK for OOREP homeopathic repertory and materia medica reference data.

    github.com/dhi13man/oorep-mcp

    Add
  • opa-mcpDev tools

    Author, validate, debug, and explain OPA Rego policies through any MCP-compatible client.

    github.com/orygnscode/opa-mcp-server

    Add
  • open-contractingDev tools

    Open Contracting MCP — international public procurement: government tenders

    Serves today

    github.com/pipeworx-io/mcp-open-contracting

    Add
  • open-corporatesDev tools

    OpenCorporates MCP — Global company registry data (free, no auth, rate limited)

    Serves today

    github.com/pipeworx-io/mcp-open-corporates

    Add
  • open-eagle-eyeDev tools

    Live snapshots from ~29,000 public cameras across 11 countries — traffic, weather, webcams

    github.com/stuchapin909/open-eagle-eye

    Add
  • open-elevationDev tools

    Open-Elevation MCP — terrain elevation by lat/lon (no auth)

    Serves today

    github.com/pipeworx-io/mcp-open-elevation

    Add
  • open-libraryDev tools

    Open Library MCP — Internet Archive's open book metadata

    Serves today

    github.com/pipeworx-io/mcp-open-library

    Add
  • open-mcp-appsDev tools

    Persistent, interactive MCP Apps — the AI builds an app once, you both reuse it

    github.com/2nd1st/open-mcp-apps

    Add
  • open-meteo-mcp-serverDev tools

    Global weather via Open-Meteo: forecast, ERA5 archive, marine, air quality, geocoding, elevation.

    Serves today

    github.com/cyanheads/open-meteo-mcp-server

    Add
  • open-notebookDev tools

    MCP server that wraps the Open Notebook API

    github.com/epochal-dev/open-notebook-mcp

    Add
  • open-notifyDev tools

    Open Notify MCP — ISS position + people in space

    Serves today

    github.com/pipeworx-io/mcp-open-notify

    Add
  • open-primitiveDev tools

    33 tools, 30 US federal data domains. Ed25519 signed, provenance chains, entity graph. Free.

    github.com/writesdavid/open-primitive-api

    Add
  • open-sanctionsDev tools

    OpenSanctions MCP — Global sanctions and PEP data (free, no auth required)

    Serves today

    github.com/pipeworx-io/mcp-open-sanctions

    Add
  • openalexDev tools

    OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

    Serves today

    github.com/pipeworx-io/mcp-openalex

    Add
  • openalex-mcp-serverDev tools

    Access the OpenAlex academic research catalog — 270M+ publications.

    Serves today

    github.com/cyanheads/openalex-mcp-server

    Add
  • openapiDev tools

    Turn any OpenAPI/Swagger spec into MCP tools. Zero config, zero code.

    github.com/docat0209/mcp-openapi

    Add
  • openapi-dynamicDev tools

    Load OpenAPI 2.x/3.x specs and expose generic tools to discover and call multiple APIs.

    github.com/mayorandrew/openapi-dynamic-mcp

    Add