"Bitcoin" matching MCP servers:

On-chain stablecoin market cap and Bitcoin institutional holdings data.

Daily Bitcoin/crypto cycle scoring, on-chain indicators, strategy insights, on-demand backtests. Bearer + x402 pay-per-call

CO2 & Climate Intelligence MCP — live EU ETS carbon price, real-time grid carbon intensity, 50 blockchain carbon footprints (Bitcoin 1513 kWh/tx vs VeChain 0.00024 kWh/tx), VeChain DNV ISO14040/14044 certified. 11 tools.

Third-party auditor for Japanese construction & renovation estimates. Checks a quoted price against curated fair-price data, flags overcharge and sales tactics, and returns a Bitcoin-anchored, independently verifiable signed receipt (PTKA) - proof you can recompute, not just an opinion. Remote MCP, no auth. Works with Claude, ChatGPT, Gemini, Perplexity.

Enables AI agents to query verifiable physical-world ground truth for any point on Earth — water availability, seismic and space-weather hazard, ground stability, and resource indications — with every answer backed by a Bitcoin-anchored provenance record that can be independently verified. It also lets agents check whether an Earth-science hypothesis has already been tested, list documented nulls and retractions, and run bounded controlled tests that return UNTESTABLE rather than fabricate a result.

Enables querying the LitCoin knowledge graph for nodes, edges, and relationships, with support for semantic similarity search over nodes and edges via MCP.