PluginBench

MCP Servers

Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.

23,114 MCP servers

Query pudge-ui — 93 skeuomorphic 2000s-era UI component specs — for coding-agent context.

10
TypeScript
MIT
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Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

10
TypeScript
Apache-2.0
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Verify AI agent communication with session types and formal proofs

10
Python
Apache-2.0
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MCP server for the Rclone RC API, with selectable toolsets.

10
TypeScript
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MCP server giving AI agents persistent task memory across TickTick, Notion, GitHub, Linear & Beads

10
JavaScript
MIT
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Free, local MCP bridge for Figma — HTML, CSS, Tailwind, tokens, agent handoff bundles.

10
JavaScript
MIT
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Engram

Active

Git-backed markdown memory for AI agents; search hides superseded and archived notes.

10
TypeScript
MIT
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An open-source MCP server that provides LLM access to the Sauce Labs API

10
Python
Apache-2.0
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An open-source MCP server that provides LLM access to the Sauce Labs API

10
Python
Apache-2.0
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SocialGPT

Active

Social media analytics, video analysis, and competitor intel for any MCP-compatible AI agent.

10
Python
MIT
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MCP server for SignNow API helper tools (stdio only).

10
Python
MIT
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Search South Korea's national R&D regulations in natural language with cited provisions.

10
Python
Apache-2.0
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Protected RAG storage — agents discover public metadata, content only by access token.

10
TypeScript
MIT
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Classifies prompt injection, jailbreaks, and out-of-scope user input before agents act on it.

10
TypeScript
MIT
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Real quantum circuit simulator, VQE, molecular Hamiltonians, QM/MM forces, and MD via 21 tools.

10
Python
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javaperf

Maintained

Java profiling MCP via jcmd/jfr/jps. Diagnose performance, analyze threads, inspect JFR recordings.

10
TypeScript
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MCP server for 1C Enterprise — ERP catalogs, documents via REST API (Russia)

10
TypeScript
MIT
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USB-HID keyboard/mouse (Pico 2, open firmware) as MCP tools; --mock runs with no hardware

10
Python
MIT
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Manage secure enclaves (TEEs) with attestation, payments, and signing for AI agents.

10
TypeScript
MIT
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Self-hosted federated MCP gateway: one OAuth 2.1 MCP server in front of N apps, user-level scopes.

10
HTML
MIT
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Self-contained SearXNG metasearch MCP server. One Docker image, 200+ engines, privacy-first.

10
Python
MIT
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CIPP

Active

MCP server for CIPP — M365 multi-tenant management for MSPs (users, tenants, policies).

10
TypeScript
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Local-first memory for AI coding agents: shell history with exit codes, git diffs, docs, MCP.

10
TypeScript
MIT
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Query and manage Microsoft Dynamics 365 Finance & Operations via MCP

10
TypeScript
MIT
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LLM Optimizer

Maintained

AI brand visibility analytics: visibility scores, optimizations, video, Reddit, and search rankings.

10
Go
MIT
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Val Town

Active

Deploy serverless TypeScript on Val Town: HTTP vals, cron, SQLite, email, OAuth.

10
JavaScript
MIT
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Contabo API (v1.0.0) as MCP tools for cloud provisioning, and management. Powered by HAPI MCP server

9
HTML
MIT
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MCP server for structured access to Lenny Rachitsky podcast transcripts. For content creators.

9
HTML
MIT
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LinkedIn API as MCP tools to retrieve profile data and publish content. Powered by HAPI MCP.

9
HTML
MIT
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Focused MCP server for OpenAI image/audio generation (v2.0.0). Wraps endpoints via HAPI CLI.

9
HTML
MIT
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