MCP Server Directory

Open Ephemeris com.openephemeris/open-ephemeris

Astrology app for ChatGPT and Claude: real charts from NASA JPL DE440, not AI guesses.

Sigistry Plugin & Skill Catalog com.sigistry/plugin-catalog

Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.

Local, privacy-preserving PII toolkit over MCP — shape to the model, substance stays local.

Session handoff for Claude Code: list sessions and build handoff docs another agent continues from.

Overte (open-source Vircadia-lineage metaverse) Model Context Protocol server for domain administ...

Local RAG MCP server for your own .md knowledge base: BM25 + local Ollama, offline, zero egress.

Model Context Protocol server for live & historical sports stats and odds via ESPN.

No-key travel MCP for Claude Desktop, Codex-style agents, Hermes, and other clients.

ComputeSage StackBench com.computesage/stackbench

GPU and LLM inference benchmarks, hardware evidence, deployment recommendations, and launch configs.

Animica chain data, free keyless AI inference, quantum randomness, x402 discovery, mining stats.

Agent Observatory io.github.model-mischief-managed/agent-observatory

Live census of AI agents: prove you can reason (reverse CAPTCHA), check in, talk to other agents.

MCPFax Agent Continuity com.mcpscores/agent-continuity

Resume the work, not the conversation. A checkpoint by one model is resumable by another.

Academic paper knowledge-base MCP server: PDF ingest, vector search with reranking, KB management.

Manage Marzban panels through the Model Context Protocol.

Agent Channel io.github.amkentech/agent-channel

One identity across Claude Code, Codex, Cursor, Gemini, Windsurf: shared inbox and handoffs.

CapabilityWire io.github.jawauntb/capabilitywire

A live, curated feed of new AI agent capabilities across MCP, SDKs, models, and APIs.

MCP-native LLM councils for debates, juries, blind panels, refinement, and custom deliberation.

Lets one coding agent talk to another: Claude Code, Codex or Grok

Gonkbot com.gonkbot/mcp

Log golf rounds in ChatGPT/Claude; scorecards, trends, unofficial WHS math.

Context optimization for LLM agents: tool registry, result masking, budgeting, compaction.

Car Repair Cost Estimator com.carrepaircostestimator/cost-estimator

Car repair cost estimates by make, model and repair type. 31 cost guides, VIN decode. Free.

made-mcp app.made/made-mcp

Generate and edit images and video with MADE: model catalog with transparent per-job pricing.

Read-only search and navigation of Sparx Enterprise Architect .qea model exports

Live, verified LLM API prices and deals: free models, discounts, compare, costs, price changes.