com.crossingkeyintelligence/crossingkey-mcp
CrossingKey MCP
Agent-native MCP for governed commerce, x402 payments, paid capabilities, and verifiable receipts.
alive probed 2026-10-15 · HTTP 200
26tools
6.9ktokens in Claude Opus 5.5
7.3ktokens in Claude Code
3.5 %of a 200k context window
3.8ko200k_base estimate
651 msto initialize
515 msto list tools
- Endpoint
- https://mcp.crossingkeyintelligence.com/mcp (streamable-http)
- Host
- mcp.crossingkeyintelligence.com
- Protocol
- 2025-11-25
- Reports itself as
- crossingkey-mcp 3.0.1
- Capabilities
- resources, tools
- Instructions
- 658 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/crossingkey-holdings/crossingkey-mcp
- Website
- https://www.crossingkeyintelligence.com
- Registry
- active, updated 2026-10-10 · registry entry
- Reachable
- 5 of the last 12 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| capability.search | 384 | 10 % |
| creator.apply | 319 | 8 % |
| provider.apply | 236 | 6 % |
| artifact.integrity_manifest | 211 | 6 % |
| commerce.quote | 190 | 5 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-15 09:34 | alive | 651 ms | 26 | 6.9k | 3.8k |
| 2026-10-14 09:10 | no DNS | ||||
| 2026-10-13 11:05 | alive | 1.2 s | 26 | 6.9k | 3.8k |
| 2026-10-11 10:13 | no DNS | ||||
| 2026-10-09 11:08 | alive | 823 ms | 21 | 5.9k | 3.2k |
| 2026-10-07 11:01 | no DNS | ||||
| 2026-10-05 13:04 | alive | 656 ms | 21 | 5.9k | 3.2k |
| 2026-10-05 00:13 | alive | 634 ms | 21 | 3.2k | |
| 2026-10-04 09:55 | no DNS | ||||
| 2026-10-04 07:49 | no DNS | ||||
| 2026-10-03 20:29 | server error | ||||
| 2026-10-03 17:47 | server error |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.crossingkeyintelligence/crossingkey-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.