Kairos Signal — verifiable DePIN data API MCP server

Kairos Signal MCP Server — DePIN Data API

First-party DePIN supply telemetry with provenance on every value. 370+ networks with live data (from a catalog of 730+ entries) plus 129 Bittensor subnets: 500+ live symbols, 315+ networks read first-party, 19,000+ live series. Figures are floors; live counts: GET https://kairossignal.com/v1/networks. Every value carries source + asof + verifyurl — verify it yourself upstream.

Connect From Any MCP Client

Remote (Streamable HTTP) — point your client at:

https://kairossignal.com/mcp/

Claude Code / Cursor / any stdio client:

{"mcpServers": {"kairos-signal": {"command": "npx", "args": ["-y", "kairos-mcp-server"], "env": {"KAIROS_API_KEY": "<your key — register_agent gets you one free>"}}}}

Listed in the official MCP registry: com.kairossignal/kairos-signal (search "kairos" at registry.modelcontextprotocol.io).

Quick Start (Autonomous — No Human Needed)

1. Register (free key: $5 credits on each of the first 3 keys per IP per 30 days)

POST https://kairossignal.com/mcp/
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"register_agent","arguments":{"agent_name":"my-agent"}}}

Returns: {"apikey": "...", "creditsbalance": 5.0} (first 3 keys per IP per 30 days; past that a key is still created, at $0, and the response says so). email is optional.

2. Browse Products

POST https://kairossignal.com/mcp/
{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"list_products","arguments":{}}}

3. Query DePIN Data

POST https://kairossignal.com/mcp/
{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"fetch_dataset","arguments":{"dataset":"depin_onchain","limit":10}}}

4. Buy a Product (agents pay from credits — no human, no card)

POST https://kairossignal.com/mcp/
{"jsonrpc":"2.0","id":4,"method":"tools/call","params":{"name":"purchase_data","arguments":{"product_key":"depin_provenance","api_key":"<your key>"}}}

Snapshots $0.49–$4.99 (credits or x402/USDC). Credits top-up: topup_credits (Stripe $20/$99).

MCP Tools

registeragent, listproducts, purchasedata, topupcredits, checkbalance, listdatasets, getstats, getdatadictionary, getderivationledger, fetchdataset, verify_footprint

Pricing

Free key: $5 credits (first 3 keys per IP per 30 days). One-shot products: $0.49–$29.99 (list_products for the live catalog). Design Partner: $199/mo. Pro: $499/mo. Enterprise: $2,000+/mo.

Links

• Homepage: https://kairossignal.com
• Pricing: https://kairossignal.com/pricing.html
• llms.txt: https://kairossignal.com/llms.txt
• Stripe: https://buy.stripe.com/dRm00b9zT81o5a50Na1ZS20

License: MIT

More

• Homepage: https://kairossignal.com
• Evidence-based diligence: https://kairossignal.com/diligence
• Full docs: https://kairossignal.com/docs.html
• OpenAPI: https://kairossignal.com/openapi.json