Development MCP Servers

The Underground Cultural District MCP server. 23 tools for AI agents: 13 free developer utilities (UUID, JSON formatter, Base64, hashing,…

AI detection for text content with GPTZero API. Detect AI-generated text, get confidence scores, multilingual support (French/Spanish),…

The Figma desktop app as an MCP server: full Plugin API for AI agents. Local, no token, no quota.

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

Audit a domain email deliverability via Apify: SPF, DKIM, DMARC, MX, blacklist, catch-all, age.

11 Mamba Labs account-intelligence MCP tools in one server: identity, signals, ICP. Clay-ready.

MCP server for AI agents to plan, verify, and deploy Cloudflare-native apps.

MCP server for npm package management — publish, version, search, audit, and more

minia2a.uk — x402 pay-per-call APIs for AI agents, USDC on Base, 5 free trials per wallet.

Governed MCP server for DMTF Redfish BMCs. Read-only by default; writes are opt-in and dry-run.

Generate engineer-grade SaaS specifications — design systems, database schemas, and RLS policies for AI build tools like Lovable, Cursor,…

Start, observe, and interact with Claude Managed Agents from any MCP client — launch an agent, poll its events to watch it work, reply,…

Deterministic temporal reasoning engine for AI agents. 12 tools for date/time arithmetic, timezone conversion with DST, business days…

Secure ADB-based MCP server for AI assistants (Claude, OpenCode, VS Code). Read-only logcat, UI hierarchy, package listing, and…

AI oracle: BTC/ETH/SOL signals, Polymarket edges, congressional trades. x402 $0.01/call on Base.

Free developer subdomains with DNS, catch-all email, and webhook capture, managed via MCP.

Local-first MCP server for task tracking and coordination of autonomous AI coding agents.

npm MCP — search packages, bundle sizes, vulnerabilities, compare downloads.

Agent-to-agent referral network. Discover, recommend, and refer users between AI agents via MCP.

Autonomous Agent-to-Agent (A2A) commerce framework via Nostr NIP-90 and Cashu eCash micro-settlements.

x402-native API gateway with 20+ capabilities (web-extract, web-search, translate, image-generate, screenshot, PDF, OCR, and more) payable…

MCP server for Atlassian Jira and Confluence with schema-validated Markdown↔ADF conversion. Catches content-model violations at conversion…

AI design fidelity — compare Figma designs or screenshots against rendered UI. No API keys.

Turn any OpenAPI 3.x spec into callable MCP tools for Claude. No custom integration code needed.

Test, score, and inspect n8n workflows via MCP. Config-driven test suites with two-tier scoring, lightweight execution traces, and a…

Screen-reader navigation cost analyzer. Scores AT user effort to find, reach, and operate content.

Zero-config MCP server that gives AI coding assistants a real-time diagnostic snapshot of your local dev environment. Detects framework,…

Fault injection + model-free reliability scorecard for MCP servers. Injects timeouts, malformed JSON-RPC, truncated & corrupted-but-valid…

Local stdio MCP server for cached, loop-aware JS/TypeScript diagnostics (Oxlint, tsc, Biome).

Agentic code review, no signup to try: reality gates + frontier-model review, with veto.

Evaluate, benchmark, and simulate AI agents on the VerifyAX agent-evaluation platform.

Build, deploy, and operate hosted web apps on VibeKit (vibekit.bot) from any MCP client.

Behavioral verification intelligence for AI coding agents. 17 MCP tools. Local-first. MIT.

Hundreds of x402-paid APIs as MCP tools, auto-discovered from Coinbase Bazaar. USDC on Base+Solana.

Pin visual feedback on any live web page and send it to Claude Code, Cursor or your AI agent.

Turn a Mac into a remote computer-use MCP server with one command. `uvx usemymac up` wraps CUA's computer-server (screenshot, mouse,…

Hosted MCP server that parses TypeScript and Python codebases into Neo4j knowledge graphs for blast radius analysis, dead code detection,…

Checks live x402 routes across Base, Solana, and Algorand. $0.003 USDC settles only for a valid live eligible route; normal typed misses…

Expose the 5dive agent-fleet CLI (tasks, agents, digest) as stdio MCP tools.

MCP server for EchoRift infrastructure primitives (BlockWire, CronSynth, Switchboard, Arbiter)

CLI + stdio MCP bridge for the [awesome-mcp.tools](https://awesome-mcp.tools) catalog (2,000+ MCP servers, refreshed every 6h). Search…

Governed Keycloak + authentik identity ops: users, events, clients, MFA, RCA. 29 tools.

One MCP server in front of 950+ data APIs — SEO and AI visibility, finance, social, web search, sales and agent mail. `tools/list` returns…

ReSharper CLI inspection/cleanup via MCP. Unofficial: not affiliated with or endorsed by JetBrains.

Advisory AOS agent health scan before deployment (manifest, services, immune loop, evidence).

Static blast-radius audit for MCP servers before agent install. Manifest optional.

Stops agents double-firing side effects: 1,000 racing duplicates, exactly one execution.

Image, video, audio, face-swap, talking avatars and chat across 300+ AI models, one balance.

Audit a web page's images: natural vs rendered sizes, oversized detection, and formats.

Hire, pay gaslessly, deliver and get paid between AI agents on BotHire (USDT/USDC, escrow).

Record Python/Rust/TypeScript program runs to local SQLite; query call trees, exceptions, and value flow over MCP (refuses rather than…

Micro-settled web content extraction and JSON schema validation utilities for AI agents via XRPL.

Manage Featureflip feature flags, targeting and rollouts from AI agents and editors.

Reliable async execution for agent tool calls: schema gating, retries, idempotency, audit trail.

300+ free public & government data sources behind one API key, for AI agents.

MCP runtime security. 22µs validation, 97% self-healing. Detects RCE, SSRF, credential hijacking.

Your 24/7 production engineer that preserves context across multiple codebases [Prode.ai](https://prode.ai).

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Free stdio bridge to Delx Protocol: resume after compaction, warm handoff, recover. No API key.

Full macOS control — drive a Mac like a human: shell, AppleScript, files, and human-like GUI.