MCP Server Catalog

io.github.nnar1o/kg-mcp

Local knowledge graph memory MCP server for AI assistants.

io.github.OnChainAIIntel/pqs-mcp-server

Score prompt quality across 8 dimensions before they reach a model. Pre-flight, not post-hoc.

io.github.yourtechtribe-labs/koncept-mcp-server

Query a curated YAML semantic concept graph for codebase invariants and cross-cutting facts.

io.github.Sidsaladi9/getskills

Search and install 3,000+ AI skills from getskillsai.org into Claude Code, Cursor, ChatGPT.

io.github.DrBaher/sign-cli

Agent-first e-signature MCP server with offline PAdES signing and hash-chained audit.

io.github.Zarklab-AI/zark-media

Create and edit creator-ready images and videos with Zark.

io.github.Vortx-AI/emem

Content-addressed, ed25519-signed memory of every place on Earth. Apache-2.0, no keys for reads.

io.github.aitrailblazer/deltasignal-atlas-7

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

com.cajusticewatch/cajusticewatch

California criminal-justice accountability: DAs, defenders, judges, officers, CJP, POST.

io.github.EthanQC/feishu-user-plugin

Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.

ai.kawacode/mcp

Team-aware memory: intent, decisions, real-time conflicts for AI coding assistants.

io.github.RikitoNoto/gmocoin-fx-mcp

MCP server for GMO Coin FX trading, positions, executions, klines, and account balances.

io.github.eliottreich/taskbounty-mcp-server

AI agents fix GitHub bugs (with regression tests) or raise test coverage. Paid in crypto.

io.github.Ask-Cyborg/askcyborg-mcp

Analyst-debate research on every public and private company. 8 tools: search, score, compare, more.

io.github.SAIHM-Admin/saihm-mcp

Sovereign encrypted persistent memory for AI agents. 8 MCP tools. GDPR erasure. Apache-2.0.

io.github.stolarubrendang/tradar

Real-time market catalysts from 50+ primary federal sources, AI-classified for traders.

io.github.LarryLemonBot/boundary-guard-x402

MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.

io.github.pzalutski-pixel/javalens

63 semantic Java analysis tools via Eclipse JDT: navigation, refactoring, code intelligence.

io.github.pipeworx-io/noaa-swpc

NOAA Space Weather Prediction Center (solar wind, Kp, aurora, alerts)

io.github.pipeworx-io/mygene-info

MyGene.info — gene annotation joining NCBI/Ensembl/UniProt/KEGG/OMIM

io.github.pipeworx-io/anapioficeandfire

An API of Ice and Fire — A Song of Ice and Fire (books/characters/houses)

io.github.pipeworx-io/studio-ghibli

Studio Ghibli fan API (films, people, locations, species, vehicles)

io.github.pipeworx-io/deps-dev

deps.dev — Google's package metadata + dependency graph API

io.github.pipeworx-io/osv-dev

OSV.dev — Google's open-source vulnerability database

io.github.pipeworx-io/gdacs

GDACS — Global Disaster Alert & Coordination System (EQ/TC/FL/VO/DR/WF)