What can CrossingKey MCP do?

It exposes 28 tools: marketplace.describe, provider.apply, provider.get, capability.get, capability.search, catalog.list, commerce.quote, creator.apply, provider.describe, offers.list, requirements.check, cost.estimate.

Is CrossingKey MCP safe and reliable?

Trust score 75/100 (grade B), based on live reachability, registry domain, maintenance, adoption, transparency and tool quality. See our methodology.

Servers / Finance & Payments

CrossingKey MCP

com.crossingkeyintelligence/crossingkey-mcp

Agent-native MCP for governed commerce, x402 payments, paid capabilities, and verifiable receipts.

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Yes, your AI can use this right now.Answered a live MCP handshake in 406 ms with no sign-in needed and exposes 28 tools.

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Connect it

Settings → Connectors → Add custom connector
URL: https://mcp.crossingkeyintelligence.com/mcp

Settings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.crossingkeyintelligence.com/mcp

{
  "mcpServers": {
    "crossingkey-mcp": {
      "url": "https://mcp.crossingkeyintelligence.com/mcp"
    }
  }
}

claude mcp add --transport http crossingkey-mcp https://mcp.crossingkeyintelligence.com/mcp

{
  "servers": {
    "crossingkey-mcp": {
      "type": "http",
      "url": "https://mcp.crossingkeyintelligence.com/mcp"
    }
  }
}

28 tools, pulled live

Pulled straight from the server with tools/list on 2026-10-27.

marketplace.describeread-only

FREE, read-only marketplace overview. Use this first for marketplace-specific capability commerce, fee policy, creator rights, payment rails, and active catalog counts; use provider.describe for the broader CrossingKey provider and legacy offer surface.

provider.applycan modify

FREE public application intake. Always pending, never creates credentials or active capabilities.

provider.getread-only

FREE. Public active provider metadata. Pending applications require owner or administrator authorization.

capability.getread-only

FREE. Use name for legacy deterministic capability metadata or capabilityId for public marketplace metadata, rights and provenance.

capability.searchread-only

FREE MARKETPLACE FILTERED DISCOVERY ONLY. Search active public marketplace capabilities when one or more filters are known: text, category, provider, delivery type, or price. Metadata is free; purchased execution and deliverables are not. Do NOT use for unfiltered browsing; use catalog.list. Do NOT use for CrossingKey digital/service offers; use offers.list. For one exact capabilityId use capabili

catalog.listread-only

FREE MARKETPLACE UNFILTERED DISCOVERY ONLY. Page through active public marketplace capabilities when no search filters are needed. Metadata is free; execution, entitlement, delivery, and purchased output remain gated. Do NOT use for filtered discovery; use capability.search. Do NOT use for CrossingKey digital/service offers; use offers.list. For one exact capabilityId use capability.get.

commerce.quoteread-only

FREE MARKETPLACE PAYMENT QUOTE ONLY. After selecting an active marketplace capabilityId, return authoritative gross price, CrossingKey fee, provider share, and x402 v1/v2 payment requirements. A quote grants no entitlement and performs no execution. Do NOT use for first-party paid capabilities; use cost.estimate (first-party x402 capabilities have fixed catalog prices and no quote stage). Do NOT u

creator.applycan modify

FREE WRITE. Private creator intake for assets needing a capability model. No ownership transfer and AI training defaults false.

provider.describeread-only

FREE read-only provider and commerce policy discovery. Use this before selecting an offer or capability.

offers.listread-only

FREE read-only public offer and capability discovery. This tool never starts payment or execution.

requirements.checkread-only

FREE read-only requirements check. This tool never authorizes or starts payment or execution.

cost.estimateread-only

FREE read-only cost estimate. This tool never creates checkout, reserves funds, or contacts a facilitator.

result.previewread-only

FREE read-only result-shape preview. This tool never executes a capability or creates an entitlement or receipt.

execution.preflightread-only

FREE read-only execution preflight. Returns READY_FOR_HUMAN_AUTHORIZATION only; it never authorizes, purchases, settles, executes, or creates records.

credits.optionsread-only

FREE read-only legacy credit compatibility status. New prepaid-credit sales are disabled in v4; historical paid credits remain redeemable through a separate compatibility path.

x402.compatibility_audit

PAID $1.00 USDC on Base via x402. Audits an x402 endpoint for v1/v2 compatibility defects. Calling this MCP tool does not spend funds; it returns the exact PAYMENT-REQUIRED challenge and canonical paid execution endpoint.

mcp.schema_audit

PAID $1.00 USDC on Base via x402. Scores supplied MCP tool schemas for discoverability, descriptions, and bounded input contracts. Calling this MCP tool does not spend funds; it returns the exact PAYMENT-REQUIRED challenge and canonical paid execution endpoint.

openapi.quality_audit

PAID $1.00 USDC on Base via x402. Evaluates structural quality and required fields in an OpenAPI document. Calling this MCP tool does not spend funds; it returns the exact PAYMENT-REQUIRED challenge and canonical paid execution endpoint.

machine_commerce.readiness_audit

PAID $2.00 USDC on Base via x402. Checks machine-commerce discovery and health surfaces. Calling this MCP tool does not spend funds; it returns the exact PAYMENT-REQUIRED challenge and canonical paid execution endpoint.

artifact.integrity_manifest

PAID $0.10 USDC on Base via x402. Creates deterministic SHA-256 entries and a root manifest hash for supplied text artifacts. Calling this MCP tool does not spend funds; it returns the exact PAYMENT-REQUIRED challenge and canonical paid execution endpoint.

hash.encode

PAID $0.01 USDC on Base via x402. Computes a SHA-256 digest and UTF-8 byte count for supplied text. Calling this MCP tool returns a payment challenge and does not autonomously spend funds.

secret.scan

PAID $0.01 USDC on Base via x402. Detects selected credential patterns and returns classifications and positions, not matched values. Heuristic, not comprehensive. Calling this MCP tool returns a payment challenge and does not autonomously spend funds.

pii.scan

PAID $0.01 USDC on Base via x402. Detects selected personal-data patterns and returns classifications and positions, not matched values. Heuristic, not comprehensive. Calling this MCP tool returns a payment challenge and does not autonomously spend funds.

json.repair

PAID $0.01 USDC on Base via x402. Validates JSON and repairs a limited set of formatting errors. May return supplied content. Calling this MCP tool returns a payment challenge and does not autonomously spend funds.

prompt.audit

PAID $0.01 USDC on Base via x402. Scores selected prompt structure signals using deterministic heuristics. Calling this MCP tool returns a payment challenge and does not autonomously spend funds.

mcp.launch_audit

PAID $9.00 USDC on Base via x402. Performs bounded live MCP discovery, health, transport, schema, and receiver-only checks against a public endpoint. No payment is attempted by the audit.

x402.purchase_path_audit

PAID $19.00 USDC on Base via x402. Performs a bounded no-payment purchase-challenge audit for a selected capability, validating status, requirements, destination, amount, and receiver-only controls.

xkey.validate

PAID $0.10 USDC on Base via x402. Validates and normalizes one bounded XKEY intake payload. Calling this MCP tool returns the exact PAYMENT-REQUIRED challenge and does not spend funds.

Change history

Back upCrossingKey MCPAgent-native MCP for governed commerce, x402 payments, paid capabilities, and verifiable r2026-10-26

Trust score

Grade B

Transparent, computed daily. How it works

Live reachability30/30

Registry domain17/20

Maintenance15/15

Track record3/10

Adoption0/15

Transparency7/10

Tool quality10/10

Health

Last 3 checks · 66.7% up over 7 days

Status: Live
Auth: No auth
Transport: streamable-http
Latency: 406 ms
Protocol: 2025-06-18
Version: 3.0.1
Publisher: ✓ crossingkeyintelligence.com
Category: Finance & Payments
Stars: —
npm / week: —
License: —
Updated: 2026-10-10
Last check: 2026-10-27

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28 tools, pulled live

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