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

Point-in-time retrieval of Luxembourg and EU law with temporal search, comparison, and cryptographic provenance.

9
C#
Apache-2.0
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Persistent memory + post-quantum-signed audit trail for AI coding agents, fully local and offline-verifiable.

9
Python
MIT
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Create and manage temporary email addresses via ChatTempMail API for testing and privacy.

9
JavaScript
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Emotional intelligence for AI agents: persistent subjective state, personality, empathy, and trait drift without extra model calls.

9
TypeScript
MIT
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Query the Chia blockchain via read-only access to the public coinset.org API.

9
TypeScript
MIT
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Control AWX/Ansible Tower through natural language with 49 automation tools

9
Python
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SCScholar Feed logo

Search, rank, and trace 23M+ CS/AI/ML papers by citations, impact, and code adoption—directly in Claude or Cursor.

9
TypeScript
MIT
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CT

ctxlint

Active

Lint AI agent context files and MCP configs against your actual codebase to catch drift before your agent does.

9
TypeScript
MIT
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Access and manage your ZenMoney personal finance data through AI—sync accounts, track transactions, and automate expense logging.

9
TypeScript
MIT
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Search UK Companies House register: find companies, officers, ownership, filings and documents via AI assistant or CLI.

9
TypeScript
MIT
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Inspect, drive, and debug Ren'Py games with live editing, screenshots, and state control.

9
Python
MIT
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Scan your codebase for EU AI Act + GDPR compliance in 10 seconds. Detects 16 AI frameworks, maps to legal articles, generates audit-ready reports.

9
Python
MIT
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Deterministic local-first context and impact maps for coding agents from tasks, issues, and diffs.

9
TypeScript
MIT
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AI-powered HMI authoring for FactoryTalk Optix Studio—describe changes, preview in the emulator, deploy from Studio.

9
Python
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Compress LLM prompts 40–60% using local embedding validation while preserving conditionals.

9
Python
MIT
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Open-source security scanner for MCP servers and skill files with OWASP AIVSS scoring and toxic flow detection.

9
Python
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Open-source security scanner for MCP servers and skill files with OWASP AIVSS scoring and toxic flow detection.

9
Python
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COCodeMap logo

CodeMap

Active

Roslyn-powered MCP server for C#/VB.NET code navigation—90%+ token savings via semantic indexing.

9
C#
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Persistent, structured shell sessions for AI agents on local, SSH, and Docker with built-in secret redaction and audit trails.

9
Rust
Apache-2.0
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FRFreeCAD MCP logo

Control FreeCAD from Claude — 3D modeling, PartDesign, CAM toolpaths, and more via 30+ tools.

9
Python
LGPL-2.1
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BPBPMN Kit logo

BPMN Kit

Active

Complete TypeScript toolkit for creating, validating, simulating and deploying Camunda 8 BPMN processes, forms and DMN.

9
TypeScript
MIT
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AI-assisted PCB design with KiCad 9.x via MCP

9
Python
MIT
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Real-time news with bias scoring, live market data, and AI-powered options pricing

9
JavaScript
MIT
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Create, manage, and publish your Substack newsletter from Claude or Cursor with drafts, Notes, analytics, and subscriber management.

9
TypeScript
MIT
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21 deterministic tools for math, randomness, dates, encoding, hashing—things AI gets wrong.

9
TypeScript
MIT
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AI-powered open source contribution manager: track PRs, discover issues, diagnose CI failures, and stay on top of your contributions.

9
TypeScript
MIT
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Search PubChem chemical compounds, properties, safety data, bioactivity, and cross-references via MCP.

9
TypeScript
Apache-2.0
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Connect YNAB to Claude and manage your budget in plain English with AI-powered receipt splitting and reconciliation.

9
TypeScript
AGPL-3.0
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GitLab MCP server for AI agents to review code, manage merge requests, and enforce code review rules.

9
TypeScript
MIT
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DEDecompose logo

Decompose

Maintained

Deterministic text classification for AI agents—extract authority, risk, and attention scores without an LLM.

9
Python
MIT
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