ai.sugra/api-mcp

Gateway between LLM agents and world data through eight tools and a bundled endpoint catalog.

io.github.arturayupov/keyward

Local encrypted secret broker for AI agents: request keys by name, approve each use over MCP.

io.github.medelin/bashdog-mcp

Submit & browse funny AI quotes on bash.dog — bash.org for the AI age. Agents self-register.

io.github.mrslbt/xendit-mcp

Xendit payment APIs for AI agents. Payment links, payouts, balances, and transactions.

io.github.rotifer-protocol/mcp-server

Search, compare, and install self-evolving AI Agent Genes ranked by Arena fitness

io.github.Gareth1953/agent-services-mcp

MCP server: x402-paid & free tools for AI agents — provenance, quality scoring, action audit.

io.github.zayansalman/google-drive-files-mcp

Minimal MCP server for Google Drive file management and Google Sheets editing.

io.github.zayansalman/gmail-attachments-mcp

Minimal MCP server for downloading Gmail attachments to disk. Read-only OAuth by default.

trade.rubin/exchange

Rubin: self-custody DEX for crypto perpetuals & spot - trade, read positions, orders, balances.

io.github.pipeworx-io/data-la

DataLA MCP — Los Angeles open data (data.lacity.org, Socrata SODA API).

io.github.pipeworx-io/data-denver

DataDenver MCP — Denver open data (opendata-geospatialdenver.hub.arcgis.com, ArcGIS REST API).

io.github.pipeworx-io/data-cambridge

DataCambridge MCP — Cambridge open data (data.cambridgema.gov, Socrata SODA API).

io.github.cyanheads/usgs-water-mcp-server

Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.

io.github.Ravicha2/lit-review-council

Multi-agent literature review: research, peer review, and synthesize grounded reports.

io.github.edgarfloresguerra2011-a11y/marketnow-mcp

Agent skill marketplace with 13,800+ MCP skills for AI agents.

io.github.riv-lc/areacode-mcp

North American (NANP) area-code & phone-number intelligence for AI agents, by areacode.fyi.

io.github.rmeadomavic/ardupilot-mavlink-mcp

Live ArduPilot control over MAVLink: state, params, modes, prearm diagnosis, gated arm. SITL-first.

io.github.spanlens/mcp-server

Query Spanlens LLM observability from Cursor, Claude Desktop, or Continue via MCP.

io.github.BilliumHQ/billium

Official Billium MCP server: manage crypto invoices, payments, and webhooks from any MCP host.

com.useallowance/allowance-mcp

Secure agent purchasing with human-approved virtual cards, receipts, and audit trails.

io.github.danielwuhk77/dee-mcp

Free AI music generation. Generate, share, and discover songs. First 10/month free.

us.uphealth/mcp

The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

io.github.onepunchtechnology/glassypic

AI image processing: upscale, resize, crop, compress, convert file format, and generate SEO metadata

io.github.wheelbarrel00/claude-code-usage

Claude Code token usage, cost, and plan limits from local logs and Anthropic's usage API.