Development MCP Servers

Free WordPress MCP For Connecting AI Coding Agents

MCP server (Rust, rmcp) exposing the Apple App Store Connect API — apps, in-app purchases, subscriptions, pricing, versions/metadata, TestFlight, provisioning, and asset uploads, plus generic JSON:API tools.

BumpGuard is an MCP server for pre-flight dependency-upgrade analysis: before you bump a dependency, it reports which of your usages break, with line numbers, severity, and fix hints. It also verifies AI-written code against installed APIs to catch hallucinations. Static analysis only — never executes third-party code. Python + .NET.

Unified MCP server for Ignite UI — documentation, API, and CLI scaffolding

fable-discipline is a Claude Code plugin that makes agentic software work follow repeatable working patterns: design before code, verify after edits, separate author from reviewer, preserve verified state between sessions, and report uncertainty honestly.

Check if a command is runnable before running it.

Declarative workflow orchestration for Temporal using the CNCF Serverless Workflow specification.

MCP server for .NET runtime diagnostics — memory, GC, threads, and more.

Security and compliance layer for MCP agents. The analyze_prompt tool checks any input — user messages, RAG retrievals, tool outputs — for prompt injection (22 deterministic signatures, 7 languages) and PII before your model sees it. Every verdict returns a signed audit record (SHA-256 + UUID + UTC) you can retain as GDPR Art. 30 evidence. Free tier: 10,000 requests/month.

RepoFortify is a remote MCP server for production-readiness and security scanning. Connect it to your AI coding tool — Lovable, ChatGPT, Codex, Claude Code, Cursor, and other MCP clients — and scan your repository, review risk findings, and get AI fix plans without leaving where you build. Authentication required on every request; your data stays isolated to you.

MCP server for WordPress: connect Claude, ChatGPT, Cursor, and other AI clients to manage content, edit themes, run WP-CLI, and automate self-hosted WordPress sites.

Access STM32CubeIDE and debug tools

Pronunciation dictionary for developer jargon - IPA, respelling and audio for 1,650+ sourced entries (kubectl, nginx, JSON).

Local-first dashboard and MCP server for Claude Code and Codex token usage tracking.

RedirHub's MCP server for managing URL redirects, hosts, and domains at scale. Full CRUD + bulk operations, access logs, usage stats, and dry-run safety. 19 tools across 15 resources. Works with Claude, Cursor, and any MCP client. Free tier available.

MCP bridge that lets Claude Code delegate heavy tasks to the Antigravity CLI (agy) — purpose-built tools, model routing with fallback, session continuity, and output truncation to save Claude's context and tokens.

Documentation and assembly review for @nhtio/adk.

300+ MCP tools for macOS, all on-device — local AI inference, voice, vision, browser automation, and system control.

DOS is a small open-source kernel that doesn't believe your AI agents: it verifies what actually shipped from git evidence, arbitrates file collisions between parallel agents, and refuses with structured reasons.

Security gateway that blocks prompt-injection-driven tool calls (poisoned payments, fabricated results) using cryptographic receipts, value-provenance enforcement, and multi-model consensus. Sits in front of any MCP server.

Six-gate governance for AI agents: PROCEED/PAUSE/HALT decisions with hash-chained audit trails.

Fast hybrid code search for agents - it's pure Go, single static binary, 5 lexical + Model2Vec semantic embeddings + RRF fusion + a code-aware reranker, with the retrieval algorithm ported verbatim from semble

Capture any browser tab in one click and feed it to your MCP client — 100% local, no account, no telemetry.

Deterministic code-graph (GraphRAG) over your repo for LLM agents — local-first, git-native, zero-infra, served via MCP.

MCP server for domain monitoring — check WHOIS registration expiry via RDAP and SSL/TLS certificate expiry via crt.sh. Zero API keys, zero signup required.

An MCP server that lets an AI agent deploy a web game to a playable multiplayer URL — rooms, live state sync, and leaderboards — in one conversation.

Prompt optimization loops and regression test suites for Claude Code, with a companion web UI.

Turn your typed TypeScript functions into an MCP server; tool, resource, and prompt schemas are inferred from your types and JSDoc. No schema library, no decorators, no boilerplate.

connect a read-only replica, analytics database, or staging database. Keep credentials on your machine while the tool discovers schema, generates safe SQL, previews it for approval, runs the query, and summarizes the result.

Hosted MCP server and coordination layer for AI coding agents — live API contracts, database schema, frontend/backend mismatch detection, and shared handoff tickets for Claude Code, Cursor, Codex, and Lovable.