# AI Agent Products & x402 APIs (signalharness.ai)

Pay-per-call x402 APIs for search, crypto chain analysis and data transformation, plus downloadable governance kits for AI agents.

- Atlas card: https://inite.ai/en/atlas/signalharness.ai
- Site: https://signalharness.ai
- For: AI agents and the human operators managing them, from solo builders to multi-agent setups
- Categories: dev
- Use 0/100 · alive 100/100

## Used for

- run per-call AI search over supplied results
- analyse crypto and blockchain data per call
- map agent tool permissions to risk tiers

## Price

- from 19.99 USD/month, no free plan (read 2026-11-03 on https://signalharness.ai/pricing/)

## For developers

- OpenAPI: https://signalharness.ai/openapi.json (230 paths)
- MCP server: ai.signalharness/mcp (namespace; open on 2026-11-03, 3 tools)
- Read 2026-11-03

## MCP server, measured daily

Server: https://signalharness.ai/api/agent/services/mcp, checked every day since 2026-11-03 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 1440 ms
- Sign-in: none
- Context its tool definitions take: about 641 tokens (3 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-11-03

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