"Guidance on Writing Software" matching MCP connectors:

400+ pay-per-call tools + 100 skill packs. USDC + USDG on 10 chains, or free via PoW.

Generate on-brand images from your AI agent: design, edit, and render templates over MCP.

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

Visual website feedback your coding agent applies: pin change requests on the live site over MCP.

LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

AIOProductOS spine over MCP — customers, revenue, feedback, work, analytics on one typed record.

AI-native real estate discovery with structured property search and market intelligence.

Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.

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.

An MCP server that gives any LLM or agent clean YouTube transcripts on demand: a single video, a whole channel, or a playlist, plus AI cleanup of auto-generated captions. API-key auth, credit-based, same backend as the public v1 API. Get a free API key with 25 free credits at youtubetranscriptdownload.com/account.

Generate Suno AI music (v5.5) from any MCP client. Async; billed only on success.

AI reasoning checks any document against known international standards before your agent acts on it.

Still losing time to small decisions? Spin or Flip brings randomization into Claude so you can offload mental load to chance instantly.

Generate HTML to PDF documents in bulk or single — raw replacements or based on conditions, loops

Generate, search, and manage codebase documentation on DocuWriter.ai. 72 tools incl. Autopilot.

Order official German energy certificates (Energieausweis) from chat — on invoice, 1-2 days.

User-owned memory for AI agents, Copilot, Claude, IDEs, CLIs, and chat apps over remote MCP.

Connect Claude, Cursor or any MCP client to AppSigma and let your AI research apps, read reviews and track rankings on its own – no glue code.