MCP Server Directory

13471 Model Context Protocol servers — searchable, rated, ready to install.

ZeroKnowledge-Vault io.github.Evozim/zeroknowledge-vault

Zero-knowledge proof validator and cryptographic locker.

remote git security Official Registry
biorxiv-mcp-server io.github.cyanheads/biorxiv-mcp-server

Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP.

local search git Official Registry
SigRank — Token Efficiency Leaderboard io.github.SunrisesIllNeverSee/sigrank-mcp

Operator leaderboard measuring users, not models — 20 tools, TUI, signed submit, privacy-first.

local git ai-llm Official Registry
aviation-weather-mcp-server io.github.cyanheads/aviation-weather-mcp-server

Fetch METARs, TAFs, PIREPs, and SIGMETs/AIRMETs from the NWS Aviation Weather Center.

remote local git Official Registry
a2a-governance-bridge-mcp io.github.CSOAI-ORG/a2a-governance-bridge-mcp

A2a Governance Bridge MCP Server by MEOK AI Labs

remote local git Official Registry
gdelt-mcp-server io.github.cyanheads/gdelt-mcp-server

Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.

remote local search git Official Registry
cdc-health-mcp-server io.github.cyanheads/cdc-health-mcp-server

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk.

remote local search git Official Registry
locksmith io.github.cxk280/locksmith

Lints PostgreSQL migrations for dangerous locking operations and suggests safe rewrites.

local database git Official Registry
myopic io.github.SurajKGoyal/myopic

Code-review MCP: review a GitLab MR or GitHub PR against the whole codebase, not just the diff.

local git dev-tools Official Registry
accessibility-ai-mcp io.github.CSOAI-ORG/accessibility-ai-mcp

Accessibility Ai MCP Server by MEOK AI Labs

local git Official Registry
constraints-registry io.github.SureshKhemka/constraints-registry

Policy-as-code guardrails for AI coding agents, validated via OPA, Conftest, Checkov & Semgrep.

local git dev-tools Official Registry
guardrails io.github.ExpertVagabond/guardrails

AI Agent Guardrails MCP server - security layer

local git security Official Registry
trustsource io.github.SurfEther/trustsource

x402-paid domain verification for AI agents — trustscore, SSL, security headers, robots.

local git security Official Registry
Knowledge Graph RDBMS io.github.cunicopia-dev/knowledge-graph-rdbms

A label property graph on SQLite/Postgres with multi-ontology routing and a gated MCP server.

local database git Official Registry
ShortsMonkey YouTube Outlier Research io.github.cuilinhao/shortsmonkey-youtube-outlier-research

Find YouTube outliers, daily viral Shorts, and analyze video performance.

remote search git Official Registry
accounting-ai-mcp io.github.CSOAI-ORG/accounting-ai-mcp

Accounting Ai MCP Server by MEOK AI Labs

local git finance Official Registry
iso27001-mcp io.github.Sushegaad/iso27001-mcp

ISO 27001 compliance workspace for Claude. Risks, policies, SoA, evidence, and audit workflows.

local git ai-llm Official Registry
comprabtc io.github.csacanam/comprabtc

Non-custodial Bitcoin DCA for agent treasuries: approve USDT once, stack WBTC on Celo forever.

local git finance Official Registry
ibmcloud io.github.ExpertVagabond/ibmcloud

IBM Cloud CLI MCP server

local git dev-tools Official Registry
voulti io.github.csacanam/voulti

Accept crypto payments from AI agents: invoices + hosted checkout on 5 chains. No API key.

local git finance Official Registry
cryptyx-mcp-server io.github.cryptyx-ai/cryptyx-mcp-server

Institutional crypto intelligence for agents. 30 tools: signals, backtests, regime, triggers.

local git dev-tools Official Registry
acord-bridge-mcp io.github.CSOAI-ORG/acord-bridge-mcp

Bridge ACORD insurance messages to ONE OS — parse, validate, map, govern (Solvency II / GDPR /

local git Official Registry
mega io.github.ExpertVagabond/mega

MEGA cloud storage CLI MCP server

local git dev-tools Official Registry
github-mcp-server io.github.crypto-ninja/github-mcp-server

AI-optimized GitHub MCP server: 112 tools, 98% token reduction, compact responses.

local git finance Official Registry
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