Pre-build reality check for AI coding agents. Scans GitHub, HN, npm, PyPI, Product Hunt. MCP server. 290+ stars.

Verified generative visualization for React and agents, with deterministic chart validation, repair, rendering evidence, and MCP.

Model Context Protocol server for Markdy diagram validation, transpilation, and generation.

Enables autonomous agents to discover, quote, and purchase paid APIs on Base by describing capabilities in natural language, with automatic provider ranking, validation, and direct non-custodial x402 payments.

Enables an AI assistant to run guarded, read-only SQL queries against a Postgres database with enforced limits and validation.

AI-native ontology engine: a Rust MCP server with tools for building, validating, querying, and reasoning over RDF/OWL ontologies. In-memory Oxigraph triple store, native OWL2-DL tableaux reasoner, SHACL validation, SPARQL, versioning. Single binary, no JVM.

An MCP server that securely interfaces with your iMessage database via the Model Context Protocol (MCP), allowing LLMs to query and analyze iMessage conversations. It includes robust phone number validation, attachment processing, contact management, group chat handling, and full support for sending and receiving messages.

Converts architectural PDF plans into dimension-verified millimetre geometry, IFC models, and CPU-rendered views, with built-in validation for boundaries, areas, and overlaps.