Development MCP Servers

Synthetic research MCP for identity and account verification integrations. Five read-only tools; no live identity checks.

Search React components, read their documentation and get shadcn CLI install commands from the Caliper UI registry. Free components are MIT-licensed. Pro source requires a licence token.

Free daily AI pricing per right answer, for business jobs.

Search 790+ Docker/Portainer app templates and prepare a local deployment plan. Read-only catalog: it never connects to Docker or Portainer or executes deployments.

One OpenAI-compatible API for open and closed models: price of each call in the answer and a signed receipt.

Free your devices. Find open-source mods for the TV, e-reader or watch you already own.

Built-in MCP server with approval-gated tools for AI agents to list, search and triage issues in OpenFault.

Audits any remote MCP server for OAuth 2.1 and security gaps. Letter grade in seconds.

Safe Claude access to WordPress sites: read-only by default, secrets hidden, WP-CLI allow-list, works even when WordPress shows a critical error.

Design engineering toolkit for AI assistants to analyze, recreate, critique, and audit interfaces

MCP proxy and Claude Code hook that caps what an agent's email tools send: daily and hourly budgets, refuses the fourth near-identical send, holds matched recipients for a person's approval. MIT, works in front of any email MCP server.

Current Claude API prices and cost estimates per request or workload, with prompt caching and Batch API.

300+ local developer utilities: JSON, encoding, hashing, JWT, regex, cron, SQL, color. No API key.

Free DNS, SPF/DKIM/DMARC, TLS, WHOIS, IP/ASN, blocklist, ping, traceroute and port checks over a remote MCP server. No API key

Ask your agent about any MCP server and get an A-D grade from public signals (login, upkeep, known CVEs, connection) plus better-graded alternatives.

Local stdio MCP server and SDK for AgentsGot task discovery, claims, signed deliveries, testing and publishing. Currently on BNB Chain testnet; test tokens are not real-world earnings.

Your agents ship UI changes every day, and every one makes a screenshot stale. Screenery updates them on merge, so your docs never lie.

Verify that exact bytes had a given SHA-256 by a Bitcoin block height (OpenTimestamps). Tools: verify, first_at, stamp. No API key for verify.

Screenshot MCP server: take_screenshot renders a URL, HTML or Markdown to PNG, JPEG, WebP, PDF or video; list_devices lists device presets. Free plan: 100 a month.

Drive a DOS machine in the dosbox-automation emulator: type and press keys, read the screen, take screenshots, record video and audio, run Lua scripts and read or write emulator memory.

Lets an agent offer and prepare a human-reviewed audit of the user's own public website: bugs, passive security checks, speed and UX, with evidence and a fix for each.

An honest pre-install safety check for agents (check_install for npm/PyPI/MCP servers; seed records are a founder-operated assessment, not independent).

Official AI/ML API MCP server: one connector to 10,000+ AI tools and models. Lets AI agents run chat and reasoning models, generate images, video and speech, create embeddings, search the web, and pull social media, SEO and ads data.

Local-first MCP hub and server manager for Windows with real-time tool switching, multi-client routing, and Tailscale Funnel for web AI.

Security layer and controlled access to databases for AI agents. Connects SQL databases in read-only mode, defines recovery paths with custom rules.

Zero-dependency Python 3 MCP server for 36-month B2B SaaS TCO modeling and website llms.txt/SEO readiness checks.

MCP server for WordPress, shipped as a plugin, with a snapshot and undo for every supported write

Remote MCP server for Thally documentation sites. Every Thally docs site exposes an MCP endpoint so agents can search and read pages as structured content, alongside llms.txt and per-page Markdown/JSON. Endpoint: https://docs.thally.io/api/mcp (Streamable HTTP).

Changelogs for coding agents: look up versions, breaking changes and migration notes, and turn any changelog into structured JSON (free, no sign-in).

Avo MCP: expose your Rails app's Avo resources, actions and Pundit policies to AI agents, so each agent sees and changes only what the user's role allows. Paid add-on for Avo 4.2+ ($30/month); runs inside your app over HTTP with OAuth.