dev.workers.3labsio.policy-gate/policy-gate
fieldproof-policy-gate
Deterministic allow/require_approval/deny verdicts for agent actions, before they happen.
alive probed 2026-10-05 · HTTP 200
4tools
935tokens in Claude Opus 5.5
975tokens in Claude Code
0.5 %of a 200k context window
535o200k_base estimate
240 msto initialize
89 msto list tools
- Endpoint
- https://policy-gate.3labsio.workers.dev/mcp (streamable-http)
- Host
- policy-gate.3labsio.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- fieldproof-policy-gate 0.2
- Capabilities
- tools
- Instructions
- 289 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/fieldproofhq/policy-gate
- Website
- https://github.com/fieldproofhq/policy-gate
- Registry
- active, updated 2026-08-16 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| policy_check | 357 | 67 % |
| first_42_sponsor | 82 | 15 % |
| policy_example | 49 | 9 % |
| policy_rules | 47 | 9 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:01 | alive | 240 ms | 4 | 935 | 535 |
| 2026-10-05 00:25 | alive | 108 ms | 4 | 535 | |
| 2026-10-04 10:00 | alive | 143 ms | 4 | 535 | |
| 2026-10-04 07:54 | alive | 180 ms | 4 | 535 | |
| 2026-10-03 20:33 | alive | 408 ms | 4 | 535 | |
| 2026-10-03 17:50 | alive | 140 ms | 4 | 535 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.workers.3labsio.policy-gate/policy-gate)
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.