"Using a Browser with Dev Tools to Debug a Web Application" matching MCP connectors:

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

Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.

Structured habitat data and advisory tools for aquariums, marine tanks, terrariums and paludariums.

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

SEC dilution data, live market data, and news for U.S. equities, with point-in-time as-of queries

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.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

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

UK due diligence — Companies House, Charity Commission, Land Registry, Gazette, HMRC VAT

Structured iGaming reference: slot specs & RTP variants, providers, regulators, news and jobs.

UK legal research — case law, legislation, Hansard, bills, votes, committees, HMRC, citations

AppDeploy turns app ideas described in AI chat into live full-stack web applications

OneHaus household tools: tasks, calendar, contacts, pets, vehicles, documents and more.

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.