Model Context Protocol servers. The cost that matters is the tool schemas they put in context, not the size of the config file.
MCP server Claude CodeCodexCursor +2
Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials. Runs locally from the thunderbird-cli-mcp npm package. Needs 2 environment variables to run.
lucaslorentz/durabletask-extensions
MCP server Claude CodeCodexCursor +2
MCP server "playwright" as configured in lucaslorentz/durabletask-extensions. Runs locally from the @anthropic-ai/mcp-server-playwright npm package.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP server "Ref-local" as configured in Jamie-BitFlight/claudeskills. Runs ./scripts/npx-run.cjs with node. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP proxy that compresses prose fields (tool descriptions, etc.) using caveman rules. Same accuracy, fewer context tokens. Runs locally from the caveman-shrink npm package.
MCP server Claude CodeCodexCursor +2
OMOP CDM utils in Python. Runs locally from the pyomop Python package.
MCP server Claude CodeCodexCursor +2
Gives the agent up-to-date documentation and code examples for libraries and frameworks, fetched on demand so answers are not stuck at the model's training cutoff. Runs locally from the @upstash/context7-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for academic paper search, curation, and multi-platform push. Runs locally from the paper-distill-mcp Python package. Needs 7 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server providing ground-truth Unity API documentation (2022/2023/6) -- prevents AI hallucination of signatures, namespaces, and deprecated APIs. Runs locally from the unity-api-mcp Python package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Official MCP Server for Mailtrap. Runs locally from the mcp-mailtrap npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable. Remote server at whois.ddnsip.cn.
MCP server Claude CodeCodexCursor +2
Graph-vector memory for AI assistants using FalkorDB and Qdrant. Runs locally from the @verygoodplugins/mcp-automem npm package.
MCP server Claude CodeCodexCursor +2
Collaboration rooms for AI agents. Real-time messaging + standard git. Runs locally from the joincloud npm package. Needs 3 environment variables to run.
jsdelivr/globalping-mcp-server
MCP server Claude CodeCodexCursor +2
Interact with a global network measurement platform.Run network commands from any point in the world. Remote server at mcp.globalping.io.
t0ddc3by/claude-for-customer-success
MCP server Claude CodeCodexCursor +2
One of 10 in .mcp.json
MCP server "snowflake", hosted remotely at snowflake-mcp.example.com, as configured in t0ddc3by/claude-for-customer-success.
MCP server Claude CodeCodexCursor +2
One of 12 in server.json
Access and manage your Airtable bases, tables, and records seamlessly. Remote server at waystation.ai.
MCP server Claude CodeCodexCursor +2
MCP server exposing the OptimNow Cloud FinOps skill (reference library + named-pattern playbooks) as queryable tools. Runs locally from the cloud-finops-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "edwin" as configured in edwin-finance/edwin. Runs /absolute/path/to/build/index.js with node. Needs 4 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP Server for the Perplexity API. Runs locally from the mcp-perplexity Python package.
MCP server Claude CodeCodexCursor +2
MCP server "bonsaimcp" as configured in JotaDeRodriguez/Bonsaimcp. Runs locally from the Bonsai_mcp Python package.
Jane-xiaoer/skill-vision-control
MCP server Claude CodeCodexCursor +2
MCP server "skill-vision-control" as configured in Jane-xiaoer/skill-vision-control. Runs locally from the skill-vision-control npm package.
MCP server Claude CodeCodexCursor +2
A local server that provides Japanese labour and social-insurance law information from government and safety sources. It uses Japan’s e-Gov API, Ministry of Health, Labour and Welfare notices, and workplace-safety notices.
MCP server Claude CodeCodexCursor +2
Garmin Connect MCP server. Runs locally from the garth-mcp-server Python package.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP server for enabling memory for Claude through a knowledge graph. Runs locally from the mcp-memory-py Python package.
MCP server Claude CodeCodexCursor +2
Search the Wraps docs and estimate AWS SES costs. Public, read-only, no authentication. Remote server at wraps.dev.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: