MCP server directory

59888 public MCP servers from the official MCP Registry (26001 from verified domains, 33887 community). Search, filter, copy a setup snippet. Nothing here is installed by cosmic-mcp.

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Showing 1261 to 1290 of 1645

• omgrofl-mcp

  io.github.mrfentmen/omgrofl-mcp

  Omgrofl MCP: 20 real tools to read, check, lint, scaffold, build and run Omgrofl code.

  Community npmstdio developer-tools

• omnet-msg-mcp

  io.github.mrfentmen/omnet-msg-mcp

  OMNeT++ MSG MCP: 20 real tools to read, check, lint, scaffold, build and run OMNeT++ MSG code.

  Community npmstdio developer-tools

• omnet-ned-mcp

  io.github.mrfentmen/omnet-ned-mcp

  OMNeT++ NED MCP: 20 real tools to read, check, lint, scaffold, build and run OMNeT++ NED code.

  Community npmstdio developer-tools

• omni-scanner

  io.github.Pantheon-LadderWorks/omni-scanner

  Codebase observatory with 56+ scanners for git health, architecture, and documentation.

  Community pypistdio developer-toolsgithealth

• once

  io.github.stringsofthemind-oss/once

  Developer assessment/setup MCP; admitted Once boundaries protect writes, not sibling connectors.

  Community npmstdio developer-tools

• ooc-mcp

  io.github.mrfentmen/ooc-mcp

  ooc MCP: 20 real tools to read, check, lint, scaffold, build and run ooc code.

  Community npmstdio developer-tools

• oorep-mcp

  io.github.Dhi13man/oorep-mcp

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

  Community npmstdio developer-tools

• opa-mcp

  io.github.mrfentmen/opa-mcp

  Opa MCP: 20 real tools to read, check, lint, scaffold, build and run Opa code.

  Community npmstdio developer-tools

• opal-mcp

  io.github.mrfentmen/opal-mcp

  Opal MCP: 20 real tools to read, check, lint, scaffold, build and run Opal code.

  Community npmstdio developer-tools

• open-policy-agent-mcp

  io.github.mrfentmen/open-policy-agent-mcp

  Open Policy Agent MCP: read, check, lint, scaffold and run code.

  Community npmstdio code-executiondeveloper-tools

• openapi-lint

  io.github.CedricKouma/openapi-lint

  MCP server (stdio): lint OpenAPI specs with Spectral via the AgentForge API

  Community npmremotestdio api-integrationdeveloper-tools

• opencl-mcp

  io.github.mrfentmen/opencl-mcp

  OpenCL MCP: 20 real tools to read, check, lint, scaffold, build and run OpenCL code.

  Community npmstdio developer-tools

• opencode

  io.github.doc2mcp/opencode

  MCP server for opencode documentation, generated by doc2mcp.

  Community remotestreamable-http developer-tools

• openedge-abl-mcp

  io.github.mrfentmen/openedge-abl-mcp

  OpenEdge ABL MCP: 20 real tools to read, check, lint, scaffold, build and run OpenEdge ABL code.

  Community npmstdio developer-tools

• openqasm-mcp

  io.github.mrfentmen/openqasm-mcp

  OpenQASM MCP: 20 real tools to read, check, lint, scaffold, build and run OpenQASM code.

  Community npmstdio developer-tools

• openrc-runscript-mcp

  io.github.mrfentmen/openrc-runscript-mcp

  OpenRC runscript MCP: read, check, lint, scaffold and run code.

  Community npmstdio code-executiondeveloper-tools

• openscad-mcp

  io.github.mrfentmen/openscad-mcp

  OpenSCAD MCP: 20 real tools to read, check, lint, scaffold, build and run OpenSCAD code.

  Community npmstdio developer-tools

• optics-mcp

  io.github.RoleModel/optics-mcp

  MCP Server for Optics Design System documentation and token usage.

  Community npmstdio designcryptodeveloper-tools

• optlens

  io.github.jjd-lab/optlens

  Debug and explain LP/MILP models: why infeasible, the smallest fix, what-if and sensitivity.

  Community pypistdio developer-tools

• orderly-mcp

  io.github.OrderlyNetwork/orderly-mcp

  MCP Server for Orderly Network - Documentation and SDK patterns

  Community npmremotestdio developer-tools

• orm-mcp

  io.github.apolocine/orm-mcp

  MCP server for @mostajs/orm: generate, lint (24 rules) & migrate EntitySchemas.

  Community npmstdio developer-tools

• ossfind

  io.github.Aniket-kr1030/ossfind

  Safety-ranked open-source component discovery for agents across six package ecosystems.

  Community npmstdio developer-tools

• osv-advisory-mcp-server

  io.github.cyanheads/osv-advisory-mcp-server

  Query OSV.dev for package vulnerabilities and batch-audit dependency lists via MCP.

  Community npmremotestdio developer-tools

• osv-mcp

  io.github.mrfentmen/osv-mcp

  MCP server for OSV open source vulnerability data and package security checks.

  Community npmstdio securitydeveloper-tools

• outlook-email-html-lint

  io.github.jmshinhwa/outlook-email-html-lint

  Classic Outlook renders with the Word engine, the new Outlook with WebView2. Lint one email file aga

  Community npmstdio emaildeveloper-tools

• overflo.ws

  ws.overflo/overflows

  Look up CVEs, CISA KEV, EPSS and open-source package vulnerabilities, including malicious packages.

  Verified domain remotestreamable-http developer-tools

• overpassql-mcp

  io.github.mrfentmen/overpassql-mcp

  OverpassQL MCP: 20 real tools to read, check, lint, scaffold, build and run OverpassQL code.

  Community npmstdio developer-tools

• overpy-mcp

  io.github.mrfentmen/overpy-mcp

  OverPy MCP: 20 real tools to read, check, lint, scaffold, build and run OverPy code.

  Community npmstdio developer-tools

• ox-mcp

  io.github.mrfentmen/ox-mcp

  Ox MCP: 20 real tools to read, check, lint, scaffold, build and run Ox code.

  Community npmstdio developer-tools

• oxygene-mcp

  io.github.mrfentmen/oxygene-mcp

  Oxygene MCP: 20 real tools to read, check, lint, scaffold, build and run Oxygene code.

  Community npmstdio developer-tools

Source: the official MCP Registry (registry.modelcontextprotocol.io), refreshed daily, plus public GitHub data. "Verified domain" means the publisher proved the namespace's domain to the registry; it is not a review. Machine-readable: /v1/directory/servers.