MCP Server Directory

4433 Model Context Protocol servers — searchable, rated, ready to install.

CausalLayer MCP io.github.smq9sn5jck-coder/causallayer

Deterministic AI liability attribution with Bitcoin-anchored proof certificates.

remote local git dev-tools Official Registry
langchain-mcp io.github.baixianger/langchain-mcp

LangChain/LangGraph/DeepAgents knowledge + LangGraph agent debugging (Polly-like)

local git dev-tools Official Registry
codelogic-mcp-server io.github.CodeLogicIncEngineering/codelogic-mcp-server

An MCP Server to utilize Codelogic's rich software dependency data in your AI programming assistant.

↓ 2/wk local git dev-tools Official Registry
Model Radar io.github.srclight/model-radar

Ping 134+ free coding LLMs across 17 providers, rank by latency, pick the fastest.

local git ai-llm Official Registry
vynn-mcp io.github.beee003/vynn-mcp

Self-improving AI workflows with backtesting, prompt optimization, and scheduling

local git dev-tools Official Registry
stillos-notary-mcp io.github.stillmarcus24/stillos-notary-mcp

Attestation infrastructure for the agentic economy: signed, independently verifiable verdicts.

remote local git dev-tools Official Registry
mcp-test io.github.bharath-krishna/mcp-test

A simple MCP server with an echo tool for testing purposes

local git dev-tools Official Registry
agent-lsp io.github.blackwell-systems/agent-lsp

Orchestrates language servers into 65 code-intelligence tools across 32 languages, token-optimized.

local git dev-tools Official Registry
gcf-proxy io.github.blackwell-systems/gcf-proxy

Drop-in MCP proxy. 71% fewer tokens. Session dedup compounds to 92%. Zero code changes.

local git dev-tools Official Registry
appcraft io.github.terminalis/appcraft

Deterministic Android app compiler — agents write a YAML model, the compiler emits the native app.

local git ai-llm Official Registry
Microsoft Learn MCP com.microsoft/microsoft-learn-mcp

Official Microsoft Learn MCP Server – real-time, trusted docs & code samples for AI and LLMs.

remote dev-tools Official Registry
aiact io.github.thegridwork/aiact

Scan codebases for AI usage, classify risk, generate EU AI Act compliance reports.

local git dev-tools Official Registry
Neblla com.neblla/neblla

Build and publish multiplayer apps and games on Neblla: scaffold, edit files, ship to the gallery.

remote dev-tools Official Registry
evmscope io.github.calintzy/evmscope

EVM blockchain intelligence toolkit for AI agents. 20 tools across 5 chains. Zero config.

local git dev-tools Official Registry
calllint io.github.calllint/calllint

Static preflight safety gate for MCP servers — scan configs before you run them. Never executes.

local git dev-tools Official Registry
agent-device io.github.callstackincubator/agent-device

Let AI agents inspect, control, and debug real iOS, Android, desktop, and TV apps

local git dev-tools Official Registry
memorydetective io.github.carloshpdoc/memorydetective

iOS leak/perf debugging via MCP: memgraph cycles, .trace analysis, SourceKit-LSP bridging.

local git dev-tools Official Registry
SiteHealth MCP io.github.carsonroell-debug/sitehealth-mcp

Full website health audit — SSL, DNS, DMARC/SPF/DKIM, performance, uptime, links

local git dev-tools Official Registry
aicoreutils io.github.caseSHY/aicoreutils

JSON-first Coreutils CLI for AI agents. 114 commands with sandbox, dry-run, and MCP support.

local git dev-tools Official Registry
shuka io.github.cdonoyan/shuka

Universal trust attestation for AI agents: create, verify, and negotiate Shuka trust proofs.

local git dev-tools Official Registry
Over-Reach Detector io.github.choreoatlas/over-reach-detector

Detect when AI code changes exceed declared task scope (MCP server).

local git dev-tools Official Registry
Civis io.github.civis-labs/civis

Structured knowledge base for AI agent solutions. Search, explore, and retrieve build logs.

remote search git Official Registry
Nephyr Backtest io.github.clm-studios/nephyr-backtest

Prediction market strategy backtesting with real on-chain Polymarket data

local git dev-tools Official Registry
ai-context-inspector io.github.cocaxcode/ai-context-inspector

Scan, export, and import your AI ecosystem. Discover MCP servers, skills, and memories.

local git dev-tools Official Registry
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