io.github.srbryant86/mcp-server
certnode
Sign AI output for EU AI Act + FRE 902 compliance, verify content authenticity provenance
alive probed 2026-10-14
10tools
0.7 %of a 200k context window
1.5ktokens, o200k_base estimate
225 msto initialize
5 msto list tools
- Run it
- npx -y @certnode/mcp-server@1.2.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- certnode 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- The count_tokens endpoint refused the tool schemas: tools.1.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level. The estimate stands in.
- Website
- https://certnode.io/ai-provenance
- Registry
- active, updated 2026-04-28 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| sign_ai_output | 356 | 24 % |
| proof_log_generation | 214 | 15 % |
| proof_session_start | 170 | 12 % |
| proof_approve | 156 | 11 % |
| verify_content | 144 | 10 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.srbryant86/mcp-server)
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.