MCP Server Directory

Let Codex orchestrate external coding agents through their native harnesses.

machine-inbox com.machineinbox/machine-inbox

Task-scoped email inboxes for AI agents: read mail, extract verification codes, and reply.

MarketHeist Backtest io.marketheist/backtest

Backtest strategies and analyze portfolios on any ticker: CAGR, drawdown, Sharpe, from real data.

FormBuilder com.formbuilder/formbuilder

Build, preview, edit, publish and analyze forms and surveys; read responses and manage webhooks.

Sigistry Plugin & Skill Catalog com.sigistry/plugin-catalog

Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.

Mora AI io.github.Mora-AI-Content-Studio/mora

Codex guesses your brand voice. Mora AI gives it the real one: your catalogue and performance.

Execute codevulnerability-mcp io.github.Evozim/codevulnerability-mcp

Premium agentic endpoint for codevulnerability-mcp.

SEO, AEO, GEO, Local SEO & CRO Growth Auditor + Safe Code Fixer.

Persistent code memory for AI agents: notes pinned to files and symbols that survive refactors.

klyo games: publish HTML5 browser games pl.klyo/games

Publish, play-test and fix HTML5 browser games from your AI assistant. Own address, 70% ad share.

Run sigit.si locally: browse repos, search code, manage PRs, issues, and Cloud Sessions.

Reports real token usage and cost from Claude Code and OpenCode data. Nothing leaves your machine.

Chenji Affect io.github.zhiyu-dev/chenji-affect-mcp

Affect analysis, 3D avatar params, empathy hints and somatic emotion decode.

Evidence-backed codebase understanding with file:line citations, for AI clients over MCP.

PESEL/NIP/REGON Validator com.apished/pesel-nip-regon-validator

Validates Polish PESEL, NIP, and REGON checksums; PESEL also decodes birth date and sex.

Records your Claude Code, Codex and Pi history before deletion. Cited-or-abstain recall.

AgentCloud — Hosted iOS Simulator MCP so.agentcloud/ios-simulator

Build, run, and inspect iOS apps in disposable hosted Simulators from cloud coding agents.

Symphony fr.symphony/symphony

Plan meals around your diet and allergies, build a basket, and order Symphony meal kits in France.

For Zapier integration developers: inspect, lint, and validate zapier-platform-cli projects.

Dorsal com.godorsal/dorsal

Field evidence for coding agents: what AI builders shipped, broke, and fixed. Dated, source-linked.

Code review as an MCP server — structured reviews with OWASP security scanning.

CENPROT SP: Protestos io.github.mcp-dir/cenprot_sp_protestos-mcp

CENPROT SP: Protestos, official-source lookup. Platform-hosted, pay per query with prepaid credit.

CarsMultiverse — the recall record com.carsmultiverse/recall-record

Vehicle safety recalls from four registers, matched across borders on the maker's own code.

Norma by Quality Clouds ai.qualityclouds/norma

Checks AI-written code against your rules as it is written, and keeps a record of what it found.