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 391 to 420 of 1818

• JSON Contracts

  io.github.json-contracts/json-contracts

  JSON contract registry and validator for structured LLM and agent outputs.

  Community npmstdio ai-models

• JSON to TOON

  io.github.karta9821/json2toon

  Convert JSON to TOON (about 43% fewer LLM tokens) and TOON back to JSON. Free, no auth.

  Community remotestreamable-http ai-models

• JSONShelf

  io.github.walkojas-boop/jsonshelf

  Deterministic JSON repair, validate, example-gen, schema-coerce for agents. Zero LLM, sub-10ms.

  Community remotestreamable-http ai-models

• Jarroba Tools · Calculation

  io.github.Invarato/jarroba-tools-calc

  Maths a model gets wrong: units with dimensional checking, equations, sheets. 5 tools, local.

  Community npmstdio ai-modelsspreadsheets

• Job Search MCP

  io.github.Servation/job-search-mcp

  Claude searches real job boards, scores each job 0-100 for fit, and shows a ranked board.

  Community npmstdio ai-modelssearch

• Jpo Patent Info

  io.github.pipeworx-io/jpo-patent-info

  JPO patent information: Japanese patent, utility model and trademark status from the Japan Patent…

  Community npmremotestdio ai-models

• Just Fucking Prompt It

  io.github.jakobpirk/jfpi

  Makes JFPI links: joke links for people who ask questions an AI could have answered.

  Community npmremotestdio ai-models

• KLYPIX Shared Project Memory

  io.github.dahshanlabs/klypix-mcp

  Shared project memory for Claude Code, Codex and Cursor: decisions, corrections, overlap warnings.

  Community npmstdio memoryai-models

• Kaito Query Service

  io.github.TheSandemon/kaito-query

  AI LLM with Gemini, MiniMax, Replicate, OpenRouter. Vision, search, code review. USDC on Base.

  Community remotestreamable-http ai-modelssearch

• Kenva

  io.github.kenvaapp/kenva

  Personal CRM for Claude. Contacts live as plain-text files in your own Google Drive.

  Community remotestreamable-http filesai-modelscrm

• Keystone

  io.github.Srikarmk/keystone

  What an arXiv paper builds on, disputes and assumes, read verbatim from its LaTeX. No LLM.

  Community remotestreamable-http scienceai-models

• KiCad Schematics

  io.github.unmateria/mcp-kicad

  Design KiCad schematics by talking to Claude. Places parts, wires nets, runs ERC. Needs KiCad 10.

  Community ai-modelsdesignmaps

• KiCad Workbench

  io.github.turbyho/kicad-workbench

  Gives KiCad 8, 9 and 10 projects to LLM agents: schematics, boards, ERC, DRC, BOM, edits

  Community pypistdio ai-models

• Kitden

  io.github.KonstantinStarovoytov/kitden

  Shows what Claude Code, Codex and Cursor load on this computer: MCP servers, plugins, skills, hooks

  Community pypistdio ai-models

• Klarion

  io.github.0x1Adi/klarion

  Secret scanning for AI agents: rules and entropy find candidates, a model decides which are real.

  Community ai-models

• Klass Personal OS

  io.github.KlassyCoder/klass-personal-os

  Mac app that runs Claude or Codex on a schedule against your mail, calendar, and files.

  Community ai-modelsautomationcalendar

• Kling

  io.github.mindstone/mcp-server-kling

  Kling AI video generation MCP server for Model Context Protocol hosts

  Community npmstdio ai-modelsvideo

• Knocklog

  io.github.leonlesenechal/knocklog

  See how a website treats AI agents, and check whether a ChatGPT, Claude or Perplexity visit is real.

  Community remotestreamable-http ai-modelssearch

• Koma Gate MCP

  io.github.swnotmetal/koma-gate-mcp

  Classifies prompt injection, jailbreaks, and out-of-scope user input before agents act on it.

  Community npmstdio ai-models

• KonQuest Meta Ads MCP

  io.github.brandu-mos/konquest-meta-ads-mcp

  Supervised Meta Ads operating system for Claude Code with 57 campaign management tools.

  Community pypistdio marketingai-models

• Kongen Labs — Pattern Intelligence

  io.github.fisnik/kongen-mcp

  LLM reasoning regime detection, cross-domain pattern transfer, and model routing.

  Community pypistdio ai-modelsmaps

• Korpi API

  io.github.Reksely/korpi-api-mcp

  MCP server for the Korpi API: every top AI video, image and text model behind one key and one bill.

  Community npmstdio api-integrationai-modelsimage

• Kosha Model Discovery

  io.github.sriinnu/kosha-discovery

  Tells your agent which model to use and what it costs, across 46 providers and local runtimes.

  Community npmstdio ai-models

• Krewbill

  io.github.RyanV1304/krewbill-mcp

  Per-client shared AI memory: approved notes that Claude, ChatGPT and Cursor read over MCP.

  Community remotestreamable-http memoryai-models

• Kronos

  io.github.hangeaiagent/kronos-mcp

  Stock price forecasting for China A-shares — Kronos K-line time-series model

  Community pypistdio ai-modelsfinance

• Krystal Voice Caller

  io.github.KrystalUnity/kvc-mcp

  Drive a Krystal Voice Caller tenant from Claude, Cursor, or any MCP-aware agent.

  Community pypistdio audioai-models

• LEOR AI展台设计 Agent

  io.github.YonGs-AI/leor-ai-booth-design-agent

  AI booth design, floor-plan redraw, graphic design, model rendering, and LEOR project storage.

  Community remotestreamable-http designai-modelsfiles

• LLM Brand Monitor

  io.github.SerpstatGlobal/llm-brand-monitor

  Track how 350+ AI models mention your brand — manage projects, run scans, analyze results

  Community npmstdio ai-models

• LLM CLI Gateway

  io.github.verivus-oss/llm-cli-gateway

  One MCP endpoint for Claude Code, Codex, Gemini, Grok and Mistral CLIs, with durable async jobs.

  Community npmstdio ai-models

• LLM Configurator

  io.github.aikuba/llmconfigurator

  Read-only: which local LLMs a GPU or Mac can run - VRAM fit, tokens/sec, model specs.

  Community remotestreamable-http ai-models

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.