FlowMCP is a framework designed to adapt and expose existing web APIs (e.g., REST interfaces) through a standardized Model Context Protocol (MCP) interface. It allows APIs to be consumed by AI systems in a structured, testable, and semantically consistent way.
Documentation →
- Hackathon Builder — Copy the Hackathon Kit skill snippet into your AI assistant's context and scaffold an MCP server in <60s. Nothing to install.
- AI Engineer — Architecture in 30 min — Concepts + Specification + Reference.
- Schema Maintainer — Strict v4.2.0 schema format with shared lists + validation rules.
- Decision Maker — Use cases, comparison, trust, roadmap — in 5 min.
- flowmcp-cli: Command-line interface for developing, validating, and managing FlowMCP API schemas
- flowmcp-core: Framework for adapting REST APIs into MCP-compatible tools with schema-driven validation
- flowmcp-schemas: 373 curated API schemas across 291 unique datasources
- flowmcp-spec: FlowMCP v4.2.0 specification — 24 spec documents, reference examples, LLM-consumable llms.txt
- flowmcp-servers: Local (stdio) and remote (HTTP/SSE) servers for deploying FlowMCP schemas
- flowmcp-grading: Schema-quality grading system — assesses single-schema and selection-level quality across phases, dimensions, and tiers (autonomous / group-bound)
- x402-core: Multi-chain ERC20 payment layer using EIP-3009 signed authorizations with CAIP-2 network routing
- x402-mcp-middleware: Express middleware for payment-gated MCP servers with automatic routing and JSON-RPC 402 compliance
- x402-flowmcp-org: Payment-gated MCP server with X402 on-chain payments, Avalanche data, and A2A protocol support
- mcp-agent-server: MCP server with AI agent-powered tools built on FlowMCP schemas
- AgentProbe: Multi-protocol agent endpoint validator — own GitHub organization
- gtfs-sqlite-toolkit: Convert GTFS Schedule feeds (CSV in ZIP) to queryable SQLite with quality seal, capability detection, and reusable default queries
License: MIT
