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Abandoned Tool Detector
x402
Abandoned Tool Detector is a paid API for AI agents from phion.systems, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Assesses whether an AI agent tool or external service is still reachable and whether its observations are fresh or stale
Price / call$0.003
Success—
StatusUnknown
How this service works
Assess tool reachability and observation staleness
Output
Returns an assessment of the specified tool's reachability (whether the endpoint is live and responding) and observation staleness (how outdated its most recent data or responses are), along with an abandonment verdict indicating whether the tool can still be trusted for agent use.
Example use cases
Pre-flight tool health check
“Before my agent pipeline kicks off, can you verify that all the external tools it depends on are still reachable and haven't gone stale? Start with the one at https://api.market-data.io/prices — I need to know if it's abandoned or still active.”
Stale observation detection in live workflow
“My agent just pulled results from a tool and they look outdated — can you assess whether that tool's observations are stale and whether the endpoint is still being maintained, so I know if I should trust the data?”
Agentic toolset audit for zombie endpoints
“I want to audit the tools in my agent's toolbox — can you check each one for reachability and observation freshness so I can identify any that have been abandoned and remove them from the rotation?”
Technical details
Endpoint
POSThttps://phion.systems/v1/paid/trust/abandoned-tool-detectorWhen to prefer
Choose this endpoint when an AI agent needs to proactively verify that tools and external services in its pipeline are still active and trustworthy before relying on them — especially when acting on cached or previously observed tool outputs. It is the right choice when staleness of observations matters (e.g., financial data, sensor feeds, live APIs) and when agents need to detect zombie or abandoned endpoints before committing to downstream actions that depend on them.
Side effects
- Tool endpoint is unreachable due to network issues rather than abandonment — may produce false positive abandonment signal
- No prior observation timestamp available — staleness assessment may be incomplete or unavailable
- Tool requires authentication that the detector cannot supply — reachability check may incorrectly report as unreachable
- Rate limiting by the target tool endpoint during reachability probe — inconclusive result returned
- Ambiguous abandonment signal when a tool is reachable but has no recent observations to assess
Input
Schema · Request body
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema"
}Tags
x402
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