MCP Server Directory

Pre-execution cost estimation for LLM agent workflows with calibration learning

Layerz io.github.layerzlabs/layerz

Structured financial modeling for AI agents: build, version, audit models, export to Excel.

Audit MCP servers from inside Claude Code. 10 OWASP checks, A-F grade, live leaderboard.

Read-only, zero-key MCP server for point-in-time AI model API prices. Open data, CC BY 4.0.

Governance for LLM agents: 7 enforced rules + read-only reference tools. Safe in any MCP client.

The OpenROAD MCP server - interactive EDA sessions via Model Context Protocol

MCP stdio server for analyzing YouTube videos with Google Gemini

Independent MCP integration for Autodesk Revit software through a local bridge.

Local-first MCP tools for searching and drafting from your X/Twitter archive.

Delegate asynchronous coding jobs between Claude Code, Codex, Cursor Agent, and Pi.

NOAA OFS regional ocean model forecasts — water level, temperature, salinity

Tabela FIPE io.github.mcp-dir/fipe-mcp

Reference vehicle prices in Brazil (FIPE table), cars, motorcycles and trucks. Browse by brand/model

MCP relay server for Claude Desktop <-> Claude Code communication

MCP Registry Search io.github.Spacemandomains/mcp-registry-search

Search and browse every MCP server in the Model Context Protocol registry.

llm-observability-orchestration io.github.mikerawsonnz/llm-observability-orchestration

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

structured-output-agent io.github.mikerawsonnz/structured-output-agent

Turn a prompt + a field schema into validated, typed JSON (Instructor over Gemini 2.5 Flash on Verte

Operator leaderboard measuring users, not models — 20 tools, TUI, signed submit, privacy-first.

MCP for Zotero io.github.AlejandroArnaud/mcp-for-zotero

Connect your Zotero reference library to AI assistants via Model Context Protocol.

Gamma AI presentation generation MCP server for Model Context Protocol hosts

Zendesk MCP server for Model Context Protocol hosts

partreel io.github.mingyo186/partreel

Verified KiCad footprints, symbols & 3D models for AI agents. No signup, CC-BY-4.0, quality-gated.

Design tokens + a build prompt from any URL, right inside Claude Code, Cursor, and Codex.

Mockzilla MCP server. Mock any OpenAPI spec locally with Claude, Cursor, or Gemini CLI.

Zero model drift between AI agents. Session continuity for Claude, GPT, Gemini, and any LLM.