"Managing Cal.com Bookings and Checking Availability" matching MCP connectors:

Social media analytics, video analysis, and competitor intel for any MCP-compatible AI agent.

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

Intake desk for AI agents: bridges construction quotes to KIRA fair-price audit and EHN check.

Self-hostable team wiki; agents read & write it via MCP; Atlas turns your repo into a cited wiki.

Free self-serve Agent Passports for AI agents: signed, portable, offline-verifiable credentials.

Build personal interactive apps with real URLs and persistent storage, using any AI.

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

AI-agent image generation: cohesive sets & illustrations. PNG/WebP (optional transparency) or JPEG.

Design, save, and run outcome-aligned AI workflows and verifiers, with reliable image output.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

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

Sports-analytics research assistant that grades its own model and reports the losses. $9.99/mo.

Structured aquarium, marine, terrarium and paludarium data for AI agents.

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).

Public data intelligence for AI agents — CVE, compliance, patents, contracts, domains.

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Detect breaking changes, generate changelogs, diff, and validate OpenAPI specs.

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