Carbon & Cashmere MCP MCP server

An official MCP server providing pay-per-call crypto intelligence and market data. It allows AI agents to access real-time prices, fear/greed indices, on-chain flows, and funding rates via x402 micropayments, leveraging the operator's own blockchain nodes.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Carbon & Cashmere

MCP endpoint (Streamable HTTP)

https://api.carbon-cashmere.de/mcp/

Vendor documentation

What you can do with it

Retrieve real-time cryptocurrency prices
Access on-chain whale alerts and flows
Check market fear and greed indices
Analyze funding rate extremes

Tools advertised by the last live check:

kaspa_toccata_status
kaspa_fee_regime
kaspa_throughput_health
kaspa_timeseries
bittensor_subnet_stake_flows
bittensor_subnet_coordination
btc_miner_attribution
btc_ordinals_flow
btc_coin_days_destroyed
btc_diversity
btc_mempool_pressure
btc_fee_curve
btc_blocks
btc_blocks_range
btc_coinbase_messages
kaspa_dag_state
kaspa_chain_density
kaspa_supply_trend
kaspa_diversity
kaspa_mempool_pulse
kaspa_blocks
kaspa_recent_blocks
subtensor_registration_pulse
subtensor_transfer_flow
subtensor_weights_activity
subtensor_block_metrics
subtensor_evm_activity
subtensor_events
bittensor_subnet
bittensor_subnet_metagraph
bittensor_subnet_validators
bittensor_subnet_emission_trend
bittensor_subnets_all
bittensor_alpha_prices
bittensor_alpha_price_history
bittensor_network_fundamentals
bittensor_registration_cost_history
bittensor_top_validators_cross_subnet
safety_check_quick
safety_check_standard
safety_check_deep
safety_check_token
bittensor_mining_viability
bittensor_yield_history
bittensor_wallet_reputation
bittensor_weights_integrity
bittensor_alpha_risk
bittensor_owner_reputation
forecast_archive
forecast_scorecard

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http carbon-cashmere-mcp https://api.carbon-cashmere.de/mcp/

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add carbon-cashmere-mcp --url https://api.carbon-cashmere.de/mcp/

Cursor

Merge this server into .cursor/mcp.json in your project, then enable carbon-cashmere-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "carbon-cashmere-mcp": {
      "url": "https://api.carbon-cashmere.de/mcp/"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "carbon-cashmere-mcp": {
      "type": "streamableHttp",
      "url": "https://api.carbon-cashmere.de/mcp/",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start carbon-cashmere-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "carbon-cashmere-mcp": {
      "type": "http",
      "url": "https://api.carbon-cashmere.de/mcp/"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http carbon-cashmere-mcp https://api.carbon-cashmere.de/mcp/

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "carbon-cashmere-mcp": {
      "url": "https://api.carbon-cashmere.de/mcp/"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "carbon-cashmere-mcp": {
      "serverUrl": "https://api.carbon-cashmere.de/mcp/"
    }
  }
}

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