com.textforagents/tool-call-origin-attestation
Tool-Call Origin Attestation
Is the Tool-Call Origin Attestation MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-08.
Dispatch-boundary attestation: prove a tool call was issued for its exact arguments.
alive probed 2026-11-15 · unchanged since 2026-11-08 · HTTP 200
- Endpoint
- https://textforagents.com/products/tool-call-origin-attestation/mcp (streamable-http)
- Host
- textforagents.com
- Protocol
- 2024-11-05
- Reports itself as
- tool-call-origin-attestation 1.0.1
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 782 tokens in Claude, exact, measured 2026-11-08. With the Claude Code prefix mcp__…__ on each tool name: 878. The o200k_base estimate is 415. Counted again when the tool definitions change. Method.
- Website
- https://textforagents.com/products/tool-call-origin-attestation/
- Registry
- active, updated 2026-10-21 · registry entry
- Changes
- 3 recorded, reachable in 3 of them. A row is added when the result, the tool count or the cost changes.
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.88×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| probe | 232 | 123 | 30 % |
| register_issuer | 139 | 74 | 18 % |
| verdict_lookup | 138 | 73 | 18 % |
| attestation_check | 124 | 66 | 16 % |
| dispatch | 100 | 53 | 13 % |
Compare this server with others.
More servers
Other registry entries on textforagents.com, the ones next to this name; all of them.
- Subscription Liveness Attestor com.textforagents/subscription-liveness-attestor · needs auth
- Subsidy-Exposure & Quota-Cliff Watch com.textforagents/subsidy-exposure-quota-cliff-watch · alive
- Sunset convoy: fleet model-deprecation migration com.textforagents/sunset-convoy-model-deprecation-migration · alive
- Telemetry-Intake Provenance & Confinement Service com.textforagents/telemetry-intake-provenance-confinement · alive
- Tool-Confusability Recovery Loop com.textforagents/tool-confusability-regression-gate · alive
- The agent tool formulary: certified-equivalent substitution com.textforagents/tool-formulary-substitution-for-agents · alive
- Tool-result context binding com.textforagents/tool-result-context-binding · needs auth
- Tool-result size governor for MCP com.textforagents/tool-result-size-governor · alive
Servers that mention attestation.
- AFMR Discovery ai.afmr/discovery · alive
- com.402oracle/402oracle · alive
- Clink Forge com.clinkforge/clink-forge · no DNS
- SettlementWitness com.defaultverifier/settlement-witness · alive
- Enclave402 com.enclave402/enclave402 · not found
- GRAFOMEM CGR Read com.grafomem/cgr-read · needs auth
- Kenwea — Sandbox Attestation & Agent Marketplace com.kenwea.www/marketplace · alive
- xytara MCP Executor com.naxytra/xytara-mcp-executor · alive
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-11-08 10:40 | alive | 22 ms | 6 | 782 | 415 |
| 2026-10-25 20:41 | alive | 142 ms | 6 | 720 | 380 |
| 2026-10-23 09:44 | alive | 78 ms | 6 | 380 |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.