dev.sarnai/agent-output-verifier
Agent Output Verifier by SarnAI
Independent schema and rule check of AI agent output before you pay. Signed attestation and receipt.
alive probed 2026-10-15 · HTTP 200
2tools
3.5ktokens in Claude Opus 5.5
3.5ktokens in Claude Code
1.8 %of a 200k context window
2.1ko200k_base estimate
740 msto initialize
752 msto list tools
- Endpoint
- https://verify.sarnai.dev/mcp (streamable-http)
- Host
- verify.sarnai.dev
- Protocol
- 2025-11-25
- Reports itself as
- Agent Output Verifier by SarnAI 0.5.7
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 663 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/sarnai-dev/agent-output-verifier
- Website
- https://github.com/sarnai-dev/agent-output-verifier
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 5 of the last 5 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| verify_schema | 1 923 | 90 % |
| get_verification_record | 219 | 10 % |
Same tool set as 0 other servers
These registry entries have the same tool names and the same schema sizes.
- io.github.mglbagi/agent-output-verifier fastapi-service-5ag4.onrender.com
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 09:58 | alive | 716 ms | 2 | 3.5k | 2.1k |
| 2026-10-14 18:27 | alive | 1.8 s | 2 | 3.4k | 2.1k |
| 2026-10-14 09:17 | alive | 828 ms | 2 | 3.4k | 2.1k |
| 2026-10-10 10:10 | alive | 1.1 s | 2 | 3.3k | 2.0k |
| 2026-10-09 11:14 | alive | 740 ms | 2 | 3.3k | 2.0k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.sarnai/agent-output-verifier)
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.