# Countersignatory (countersignatory.com)

Prices a named human reviewer to examine, verify or countersign an AI agent's decision, via API and spot market.

- Atlas card: https://inite.ai/en/atlas/countersignatory.com
- Site: https://countersignatory.com
- For: Teams building AI agents that need a named human to verify risky or irreversible actions.
- Categories: security
- Use 0/100 · alive 100/100

## Used for

- Get a named human to check an agent's irreversible action
- Obtain a qualified person's sign-off on regulated agent decisions
- Route ambiguous agent cases to a screened human reviewer

## Price

Not read yet.

## For developers

- API docs: https://countersignatory.com/llms.txt
- MCP server: com.countersignatory/mcp (namespace; open on 2026-10-24, 5 tools)
- Read 2026-10-24

## MCP server, measured daily

Server: https://countersignatory.com/mcp, checked every day since 2026-10-24 (3 checks).

- Answered: measuring, 3 daily checks so far
- Median first answer: 220 ms
- Sign-in: none
- Context its tool definitions take: about 1768 tokens (5 tools)
- Tool definitions: A, 97/100
- Failing "params_described": 1 of 5 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-24

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Source: INITE Atlas, https://inite.ai/en/atlas/countersignatory.com. JSON: https://inite.ai/api/atlas/countersignatory.com. MCP: https://inite.ai/api/mcp (atlas_lookup).