MCP Server Directory

Waqi — AI Privacy Layer io.github.ajprolific/waqi

Redacts PII from your business tools before the AI sees them — with a provable audit log.

Tells you what leaked in a .har capture, who's on the page, and what to strip. No network calls.

Shared project memory for Claude Code, Codex and Cursor: decisions, corrections, overlap warnings.

Native Weavatrix MCP: 67 read-only tools for code, local CI, n8n, Dify, agents, Mermaid, Web3.

PostgreSQL MCP server with 15 tools (SQL, EXPLAIN, health, indexes) plus a Gradio UI with LLM chat.

NOT FOR HUMANS io.github.notforhumansfun-rgb/not-for-humans

Public NFH knowledge, ownership epochs, versioned learning, Odd Jobs, and unsigned preparation.

Run reproducible scientific workloads on GPUs, local compute, Slurm, and PBS with provenance.

MCP server for GroupDocs.Total — annotate, sign, convert, watermark, parse, redact documents via AI.

Search open-source research papers across arXiv, OpenAlex, Crossref, PubMed, Semantic Scholar.

Filesystem MCP server: files, previews, search, processes, OCR, archives, safe delete, web fetch.

sipi.bot — Spend Firewall for AI Agents io.github.kindrat86/sipi-bot-spend-firewall

Pre-spend firewall for AI agents. Approves, blocks, flags transactions against policy rules.

Scoped deterministic SRD 5.2.1 rules checks for agents — applied rules cited, boundaries explicit.

Manage Pi-hole v6: DNS blocking, domains, clients, query analysis, DHCP, and multi-instance sync.

D.O.A.I. Signal Relay io.github.infinitemindos-doai/signal-relay

Intelligence subscription protocol for AI agents. Scored, filtered AI intelligence signals via MCP.

blobpedia io.github.UnityNodes/blobpedia

Celestia knowledge base: CIPs, docs, forum, videos, GitHub, plus live on-chain state

RunAPI MCP server for Flux: create tasks, poll status, check pricing.

Local MCP for Chinese criminal dossier review; Word notes + Excel catalogs stay on-device.

Local-first MCP asset QA for headless Blender: bounded scripts, FBX reimports, four-view renders.

x402-snap io.github.ZadenGG/x402-snap

Pay-per-call browser rendering and x402 marketplace ranking for AI agents, billed via USDC.

Fiscal y nomina MX — SAT, ISR, CFDI, IMSS, finiquito io.github.danielasalgadov/fiscal

Fiscal y nomina MX: recargos, ISR, CFDI, RESICO, calendario, IMSS, aguinaldo, finiquito.

Signed delivery verdicts for agent payments, Polymarket settlement risk and whale data, via x402.

Protected RAG storage — agents discover public metadata, content only by access token.

Vector (Apex Fusion) io.github.Apex-Fusion/vector

24 keyless tools for AI agents on Vector, the Apex Fusion eUTXO L2: wallets, contracts, registry.

Google Ads io.github.mcp-dir/google_ads-mcp

Full Google Ads management: read (campaigns, performance, ROAS, keywords, search terms) and write (p