Model Context Protocol servers. The cost that matters is the tool schemas they put in context, not the size of the config file.
rafsilva85/skillflow-mcp-server
MCP server Claude CodeCodexCursor +2
Search, discover, and install 500+ AI agent skills from the SkillFlow marketplace. Runs locally from the skillflow-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Provision real-SIM US phone numbers, receive SMS, and extract OTP codes for AI agents. Runs locally from the @joltsms/mcp-server npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Model Context Protocol server for Retain: let AI agents query churn risk and act on retention. Runs locally from the @retain-so/mcp-server npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Session memory for AI coding agents — records decisions and dead ends as they happen, and tells you when what you wrote stops being true. Runs locally from the cogsession Python package.
MCP server Claude CodeCodexCursor +2
Verified ICD-10-CM code lookup & validation for AI agents — official descriptions, not guesses. Runs locally from the icdwise npm package.
MCP server Claude CodeCodexCursor +2
Grantd MCP server: let your AI agent act on a user's behalf across third-party APIs via OAuth. Runs locally from the grantd-mcp npm package. Needs 3 environment variables to run.
rationalbloks/rationalbloks-mcp
MCP server Claude CodeCodexCursor +2
One of 2 in server.json
RationalBloks MCP Server - Deploy production REST APIs and Neo4j Graph APIs in minutes. 45 infrastructure tools for projects, schemas, and graph data. Runs locally from the rationalbloks-mcp Python package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Manage sequences, contacts, and outreach statistics on Reply.io's sales engagement platform. Remote server at mcp.reply.io.
MCP server Claude CodeCodexCursor +2
MCP server for Nerve blockchain JSON-RPC & REST API for AI Agents. Runs locally from the nerve-rpc-mcp npm package.
MCP server Claude CodeCodexCursor +2
ZenQuotes MCP — wraps ZenQuotes API (free, no auth). Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Signed settled outcomes (Polymarket, sports, Kalshi) + whale signals as agent tools, paid via x402. Runs locally from the @predge/whale-data-mcp npm package. Needs 7 environment variables to run.
MCP server Claude CodeCodexCursor +2
AI QA tester — real browsers scan sites for bugs, SEO, perf, and accessibility issues via chat. Remote server at prodpoke.com.
MCP server Claude CodeCodexCursor +2
Live sports betting odds, cross-book +EV, and graded player-prop resolution across 16 books. Runs locally from the propline-mcp npm package. Needs 2 environment variables to run.
pvliesdonk/image-generation-mcp
MCP server Claude CodeCodexCursor +2
MCP server for AI image generation via OpenAI, Google GenAI, or Stable Diffusion WebUI. Runs locally from the image-generation-mcp Python package. Needs 21 environment variables to run.
MCP server Claude CodeCodexCursor +2
Verified business-day math for AI agents: holidays + per-country weekends, not guesses. Runs locally from the @qinisolabs/bizdays npm package.
MCP server Claude CodeCodexCursor +2
MCP server for Parks on the Air — park lookup, activator/hunter stats, spots. Runs locally from the pota-mcp Python package.
MCP server Claude CodeCodexCursor +2
F1 race analytics & live timing for AI assistants — webhooks, results, and race simulations. Runs locally from the racehooks-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP server "nervapack-memory" as configured in ramdhavepreetam/NervaPack. Launched with nervapack-memory-mcp.
MCP server Claude CodeCodexCursor +2
Clean Markdown and AI-readability scoring for any URL. Built for AI agents. Runs locally from the @ontosdk/mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Local-first AI memory cartridge: persistent, cross-session memory for Claude and any LLM via MCP. Runs locally from the llm-kosh Python package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Play provably fair games with real SOL wagering from any AI agent. Runs locally from the @razzgames/mcp-server npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Generate PDF reports from Re:port Flow templates via Claude and other AI agents. Runs locally from the reportflow-mcp npm package. Needs 4 environment variables to run.
re-bruce-wayne/openclaw-skills
MCP server Claude CodeCodexCursor +2
Non-custodial Solana swap & limit order engine for AI agents. Runs locally from the @re-bruce-wayne/trade-router-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Swiss health insurance premiums (Krankenkassen-Prämien) 2016-2026. 1.6M records from BAG. Runs locally from the @prinz_esox/swiss-health-mcp npm package. Needs 2 environment variables to run.