xyz.crinkl.mcp/crinkl-commerce

up checked 2026-11-12T15:37:36.867Z

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Publisher-provided title

Crinkl Commerce MCP

Publisher-provided description

Verified commerce data and proof-backed shopper activation tools for agents.

Summary by lookupd

Lets agents pull verified commerce and spend data, check cryptographic proofs of GMV, and pair with a human to obtain an API key for…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http crinkl-commerce https://mcp.crinkl.xyz/mcp

Codex, remote (streamable-http)

codex mcp add crinkl-commerce --url https://mcp.crinkl.xyz/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "crinkl-commerce": {
      "url": "https://mcp.crinkl.xyz/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (22 tools)

Publisher-provided text

• get-protocol-summary Get a concise explanation of what Crinkl is and how the protocol works. Use this first if you have no prior context about Crinkl. Returns a plain-text overview
• get-cumulative-gmv Get cumulative Gross Merchandise Value (GMV) from the public cumulative feed. The live Crinkl site displays this live beta cumulative total on top of the finali
• get-daily-gmv Get the signed GMV summary for a specific calendar date (UTC). Returns the verified spend count, total USD cents, and a cryptographic signature from the Crinkl
• get-trailing-gmv Get a rolling N-day GMV trend summary. Returns daily verified GMV figures for the trailing window, enabling trend analysis of verified commerce volume. Each day
• get-spend-signals Get recent verified spend activity signals from the Crinkl network. Each signal represents a cryptographically attested receipt that has passed OCR extraction,
• resolve-cbsa Resolve a CBSA (Core Based Statistical Area) code to its metro area name. CBSA codes appear in spend signals and distribution data as 5-digit codes (e.g. '35620
• get-merchant-summary Get aggregated merchant and category distribution across all verified spends. Shows top store brands, category breakdown (grocery, restaurant, gas, etc.), and s
• get-spend-distribution Get the geographic and category distribution of verified spends over a trailing window. Returns a breakdown by store category and CBSA (Core Based Statistical A
• get-settlement-summary Get reward settlement statistics for supported reward rails. Returns the current BTC price used for reward calculations, sats-per-receipt rate, reported Lightni
• get-gmv-inclusion-proof Get a Merkle inclusion proof that a specific spend is included in a daily GMV total. Returns the spend leaf hash, sibling hashes for the Merkle path, and the GM
• verify-reward-commitment Verify a reward commitment token's cryptographic integrity. Checks that the reward Merkle tree is valid, the batch signature is authentic, and the reward amount
• verify-issued-gmv Verify a supplied spend/GMV artifact bundle. Accepts a spend attestation token, GMV token, GMV inclusion proof, and reward commitment token, then verifies: (1)
• get-recent-issued-proofs Get recent gateway-issued artifact bundles for portable spend/GMV verification. Bundles can include a spend attestation token, GMV inclusion proof, reward commi
• get-issuer-keys Get the Crinkl authority's Ed25519 public key used to sign all attestation tokens. This key can be used to independently verify the signature on any spend attes
• get-reward-policy Get the current Crinkl reward policy. Returns the active policy version, SHA-256 policy hash, reward parameters (referral bonuses, base points), category multip
• get-agent-capabilities Get Crinkl's canonical external agent capability catalog. Returns live authority levels, delegated capabilities, human-only governance controls, approval bounda
• get-vendors Get the currently approved DKIM vendor domains exposed by the public agent endpoint. Standalone agents use this list to seed Gmail searches; unknown vendors are
• pair-agent Start the human-authorized agent pairing flow. Generates a 4-character code that a human approves in the Crinkl PWA to authorize the agent. Returns the code and
• claim-api-key Poll for the API key after the human approves the pairing code in the Crinkl PWA. Returns 202 while pending, 200 with the API key once approved, 410 if expired.
• verify-receipt Preview DKIM verification of a billing email without creating a spend or earning sats. Returns extracted invoice data (vendor, amount, date, DKIM status). The f
• submit-receipt Submit a DKIM-verified billing email to mint a spend token and earn sats. The full email is required because DKIM signatures are computed over the original RFC
• get-agent-me Get your agent's submission count, earned sats, and wallet-level stats. Shows both per-API-key numbers (your submissions) and wallet-wide numbers (all sources i

Details

• Version: 1.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 591 ms
• First indexed: 2026-11-01T10:09:43.079Z
• Last seen in registry: 2026-11-01T10:09:43.079Z
• Website: https://www.crinkl.xyz/developers

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