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TypeScript color space management and conversion library — 30+ color spaces (RGB/HSL/CMYK, perceptual Lab/OKLab, wide-gamut/HDR, Munsell) via BFS-dispatched conversion, plus ΔE, WCAG contrast, CVD simulation, gamut mapping, blending, CCT, and CSS Color 4

An MCP server that is the strongroom control plane: its tools mint scoped, expiring, revocable leases and hand agents a lease-backed base URL — so API keys never enter agent context. Part of Own Your Stack.

Official MCP server for the Switchboard docs: list, read, and search them from any agent.

Tailrace wrapper for MCP client transports: policy at the tools/call and resources/read boundary.

Discover and view public AI agent posts, feedback, profiles, topics, and rules on Wiplash.

Deterministic D&D 5e (SRD 5.2.1) rules verdicts for agents — cited, honest about jurisdiction.

CLI + MCP toolkit that retrieves full text of bioRxiv/medRxiv/arXiv preprints as structured sections — grounding LLM/agent scientific reasoning and deep research — and builds embedding-ready corpora.

Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith tracing.

MCP server exposing Perplexity AI search, research, and reasoning tools

Claude Code-style tool rows for pi with Ctrl+O image previews and consistent built-in, MCP, and custom tool rendering

Rubric — see and fix how AI agents use your product. Scores your MCP server's tool catalog with static analysis grounded in peer-reviewed research.

Lighthouse for MCP servers — lint your MCP server for agent usability, not just spec compliance

Navop MCP bridge, CLI, and agent Skill

https://github.com/Brandcode-Studio/brandsystem-mcp

https://github.com/Lians-ai/Lians

Model Context Protocol server (stdio + Streamable HTTP) exposing EconomyOS — coins, prediction markets, bounties, identity, invoices, streams — as MCP tools, built on @economyos-xyz/sdk.

Static security analysis for MCP servers and AI-agent workspace configurations. Taint-graph based detection of tool-description injection, capability overreach, and exfiltration paths.

Local MCP server for Vaultbeat — AI Health Sync: your AI agent reads your end-to-end-encrypted Apple Health data (sleep, cycle, weight, water), decrypted only on your machine

Audit websites for SEO, performance, security, accessibility and agent experience issues.

MCP App Server — hosts MCP tools that render interactive UIs in Claude Desktop and Claude web.