Crinkl Commerce MCP

Name: Crinkl Commerce MCP
Author: xyz.crinkl.mcp

MCP serverMCP

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

by xyz.crinkl.mcphomepage ↗v1.1.0

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Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability1/1 checks ok

30 days agotoday

Tools observed via MCP handshake

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

when	check	result	http	latency	detail
6 h ago	mcp initialize	ok	200	461 ms	server crinkl-commerce 1.1.0 · protocol 2025-06-18 · 22 tools
14 h ago	mcp initialize	ok	200	436 ms	server crinkl-commerce 1.1.0 · protocol 2025-06-18 · 22 tools
21 h ago	mcp initialize	ok	200	467 ms	server crinkl-commerce 1.1.0 · protocol 2025-06-18 · 22 tools

Crinkl Commerce MCP

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