MCP Server Directory

Persistent understanding via workflow prompts, typed updates, graph-native code, and supersession.

Mermaid to assets. Source code to maps. MCP for agents.

property-finance-mcp io.github.fdcommercial/property-finance-mcp

UK property finance: bridging cost, dev appraisal, BTL stress test, stamp duty (SDLT/LBTT/LTT).

codeitall dev.codeitall/codeitall

Behavioral oracle for Rust crate APIs: runtime behavior, yank/advisory, deprecation, sig search

Ideabob Validation io.github.foodyogi/ideaflow-scorer

Score, validate, and pressure-test startup ideas with AI from Claude or any MCP agent.

payqr dev.cz-agents/payqr

European payment QR — SPAYD (CZ/SK) & EPC/GiroCode (SEPA), plus text/WiFi/vCard. Local, free.

SandboxAPI io.github.MichielDeRuiter/sandboxapi-mcp

Execute code in 8 languages (Python, JS, TS, Go, Java, C++, C, Bash) in gVisor sandboxes.

AI Skill Store io.github.garasegae/aiskillstore

Agent-first skill marketplace with USK open standard for Claude, Cursor, Gemini, Codex CLI.

MCP server for Atlassian Bitbucket Data Center - interact with repositories and code

MCP server providing OpenFeature SDK installation guides and OFREP flag evaluation

D&D 5e SRD MCP server with monster, spell, equipment search and encounter building tools

Monarch Money API client with 30 MCP tools for accounts, transactions, budgets, and cashflow.

Bright Security io.github.NeuraLegion/mcp

AI-powered application security testing — scan APIs, discover endpoints, and find vulnerabilities.

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

Cross-vendor semantic memory: recall across Claude Code / Codex / Grok sessions by meaning.

Clinical AI for lab analysis, biomarker scoring, health narratives, and risk insights.

AI text detection and humanization for Claude Code, Cursor, and Windsurf.

Pact 5 tooling: REPL test runs, trap scanning, gas estimation, interface diff, format checks.

XF Model Source dev.xpansion/xfms

Find the right AI model for your job. Free discovery and ranking; tests on your own key.

Search 25K+ verified engineering fixes by error or technology. For developers and AI agents.

AI-powered task execution, tickets, sprints, error debugging, and desktop control.

us-building-permits io.github.PrometheusAgency/us-building-permits

Fresh US building permits with contacts from official city APIs. Construction lead generation.

LastMinuteDeals Booking API io.github.johnanleitner1-Coder/lastminute-booking

Last-minute booking slots across 11 suppliers. Search, price, and execute bookings via AI agents.

var.gg Naming Memory gg.var/naming-memory

Curated multilingual dictionary that names code identifiers from domain concepts (KO/JA/ZH/VI/EN).