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.

37,330 MCP servers

Lossless context compression: 2-8x fewer tokens, byte-exact recovery, search inside payloads

6
Python
MIT
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Read-only-by-default SQL Server: schema, parameterized SELECT, execution plans; writes opt-in.

6
C#
MIT
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Amazing Marvin task manager: complete public-API coverage (38 tools) with built-in rate limiting

6
Python
MIT
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Unified threat intel - OTX, AbuseIPDB, GreyNoise, abuse.ch, Feodo Tracker

6
JavaScript
MIT
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HEHefestoAI logo

HefestoAI

Maintained

Pre-commit code quality guardian. Detects semantic drift in AI-generated code.

6
Python
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Quant research, backtesting, marketplace subscriptions, editable forks, copy trading, and execution.

6
TypeScript
MIT
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AXaX logo

aX

Active

Agent-native collaboration network: orchestrate a team of long-running agents from any MCP client.

6
HTML
MIT
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Exactly-once execution guard for AI agents. Prevents duplicate payments and webhooks on retry.

6
Python
Apache-2.0
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Deploy compliant ERC-20 tokens from any AI agent. 17 tools, 10 networks, CertiK-audited.

6
JavaScript
MIT
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MCP server for PR code review, commit messages, changelogs, and secret detection.

6
C#
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U2U2 MCP Server logo

U2 MCP Server

Maintained

Connect AI assistants to Rocket Universe/UniData MultiValue databases via MCP.

6
Python
Apache-2.0
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IVivygrep logo

ivygrep

Active

Local code search and task context packs for coding agents

6
Rust
MIT
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CACallosium logo

Callosium

Active

One shared memory for every AI you use, in plain Markdown files you own.

6
TypeScript
Apache-2.0
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AHAha.io logo

Aha.io

Active

Search, read and update Aha.io ideas, features, epics, releases, goals and comments

6
TypeScript
MIT
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PYPySide6 MCP logo

Playwright-style MCP to inspect, control, and debug PySide6 desktop GUIs.

6
Python
MIT
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APApple Notes logo

Semantic search + connection-discovery across your own Apple Notes (bridges, synthesis).

6
HTML
MIT
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Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.

6
Python
MIT
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Full Paperless-ngx API for AI assistants: search, tag, edit and upload documents, workflows and more

6
TypeScript
ISC
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Query SEC EDGAR filings, XBRL financials, and company data through MCP. STDIO & Streamable HTTP.

6
TypeScript
Apache-2.0
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Drive a running Cytoscape Desktop to load, lay out, and style biological networks.

6
Java
BSD-3-Clause
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Autonomous log surgery & secret redaction MCP server for AI coding agents.

6
Rust
MIT
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Ethora chat platform MCP: apps, users, rooms, AI agents, chat widgets. Hosted or stdio.

6
TypeScript
MIT
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Evidence-bound REW measurement, analysis, conservative EQ, DSP, and listening-test tools.

6
JavaScript
MIT
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Stable eight-tool MCP server for changed-UI assurance, authority-aware UI task context, and repair.

6
TypeScript
MIT
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Official MCP server for Axe DevTools for Web.

6
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CHChainWeaver logo

Expose deterministic ChainWeaver flows as MCP tools without LLM calls between steps.

6
Python
Apache-2.0
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DWDWG MCP Server logo

DWG MCP Server

Maintained

Read-only DWG file access for AI clients through MCP.

6
Rust
GPL-3.0
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One searchable memory of your Claude.ai chats and Claude Code sessions, served over MCP.

6
Python
MIT
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Fetch content from the web, cleaned up nicely for LLMs (using Defuddle).

6
TypeScript
MIT
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SHShell Exec logo

Execute bash commands with background job support.

6
TypeScript
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