"How to take a screenshot on a PC" matching MCP connectors:

Search domain availability and pricing, straight from chat, then open a link to register.

A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.

Plain-English git via MCP: 22 tools to branch, commit, push, and tag. No git jargon.

Cello MCP server to launch and manage your User Referral and Partner program — for developers and growth teams.

Closed-source remote MCP: model benchmarks, costs, HN signals, tech registry.

Build, edit, host, and publish websites from AI assistants. Setup: https://mcp.orivox.org/

Goal decomposition where every "done" is proven by evidence and checked by a judge.

Control Plane (controlplane.com): deploy and operate workloads across AWS, GCP, Azure, and more.

Public, read-only MCP over the complete 64-hexagram I Ching corpus. Deterministic lookup only.

CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.

rnv-color-mcp, a hosted color-workflow MCP server (Python, Streamable HTTP). Tools: mix (including Kubelka-Munk paint physics), convert between formats, generate harmonies, transform text case, and save/list/get named palettes. It resolves hex / CSS / custom brand color names and refuses unknown colors rather than guessing.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev

Provides a platform-agnostic specification of the technical features every decent website should have

Eligibility-first UK & EU grant discovery, inside ChatGPT and Claude. Checks eligibility before recommending, explains why each grant fits, and cites the funder's own page on every answer — with an honest "competition_risk: unknown" when the data isn't there. 6 tools: search, fetch, find_opportunities, should_apply, explain_opportunity, complete_profile. Transport: Streamable HTTP. Auth: OAuth 2.1 + PKCE. Free to install, no card required.

Secureship MCP gives AI assistants access to a multi-carrier shipping API covering rate comparison, label generation, package tracking, pickup scheduling, address book management, shipment history, customs documents, and more — across carriers like UPS, FedEx, Purolator, Canpar, and others. Browse 150+ live endpoint schemas, parameters, and auth details — always current, never stale.

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

A fully free linter for agent skill files: lint_skill validates YAML frontmatter, structure, size budgets, and safety phrasing with a pass/fail verdict; packaging_check validates zip layout against marketplace rules; plus regex_test, json_validate, diff_texts, and cron_explain for skill authors. No license or account required.

An instrumented editing loop for AI drafts: ai_tell_scan scores how human a draft reads with quoted evidence, burstiness_report maps sentence rhythm, voice_fingerprint profiles a real person's writing numerically, and the premium humanize_plan / verify_rewrite pair produces a rewrite brief and proves the result moved toward the target voice.