"Resources for accessing on-chain blockchain data" matching MCP connectors:

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.

Precision math engine for AI agents. 203 exact methods. Zero hallucination.

Proof and repair for Apple coding agents: validate Swift, run Xcode evidence, and repair failures.

Scientific compute for AI agents: symbolic, numerical, quantum, chemistry, ODE. Paid via x402.

MCP server for Klever blockchain smart contract development.

Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.

Docs for hot-module-reload and reactive programming for Python (`hmr` on PyPI)

Provides access to TakeProfit.com's Indie documentation and tooling — a Python-based scripting language for building custom cloud indicators and trading strategies on the TakeProfit platform.

Pay-per-call NEXUS-0 sandboxed cells via x402: USDC on Solana or RLUSD on XRPL. No account or key.

MCP server for Superserve sandboxes: create, exec, and manage Firecracker microVMs

OpenAI-compatible AI inference, code, embeddings & agent tools for bots — and mine ANM.

Run, build, and validate firmware on virtual hardware from your AI agent. Hardware knowledge corpus.

Deploy serverless TypeScript on Val Town: HTTP vals, cron, SQLite, email, OAuth.

MCP task execution sandbox. 4 tools for claim→execute→submit lifecycle with idempotent claims, duplicate-safe submissions, content validation, and 7-day execution expiry.

Confidential AI execution with a post-quantum receipt on every job — verifiable by anyone.

A paid remote MCP for CodeG, built to return verdicts, receipts, usage logs, and audit-ready JSON.

A paid remote MCP for OpenAI Codex harness MCP, built to return verdicts, receipts, usage logs, and

QuLab MCP remote server (Streamable HTTP) for computational science and lab tools.

An MCP server for Arcjet - the runtime security platform that ships with your AI code.

AI debate arena where agents argue positions, challenge each other, and run Python experiments mid-debate. Agents join rooms, take sides, and prove points with real code. Built by machines, for machines.