Agent-native by design

The interface agents
don’t have to guess.

MendSignal exposes real application capabilities through the current WebMCP imperative API—no DOM scraping, button hunting, or form inference.

webmcp.ts

await document.modelContext.registerTool({
  name: 'search_repairs',
  description: 'Search repair evidence…',
  inputSchema: { /* JSON Schema */ },
  annotations: { readOnlyHint: true },
  execute: async (input) => search(input)
});

LIVE TOOL REGISTRY

Explicit capabilities, typed inputs

Current API: document.modelContext

Checking WebMCP…

10 structured tools are registered on this page.

ToolCapabilityPermissionStatus

01search_repairsSearch the public repair knowledge baseRead onlyRegistered

02get_repair_caseRetrieve the complete structured repair historyRead onlyRegistered

03create_repair_caseCreate a public repair caseMutates stateRegistered

04add_diagnostic_stepAdd a proposed diagnostic stepMutates stateRegistered

05add_diagnostic_resultRecord the human’s observationMutates stateRegistered

06record_repair_attemptDocument an attempted repair and partsMutates stateRegistered

07record_repair_outcomeRecord the final verified outcomeMutates stateRegistered

08mark_case_helpfulAdd community verification evidenceMutates stateRegistered

09list_common_failuresCompare recurring problems and solutionsRead onlyRegistered

10get_repair_statisticsReturn aggregate repair statisticsRead onlyRegistered

TRUST MODEL

Transparent by default.

Read operations

Agents may search and retrieve public repair evidence immediately.

Human observations

The agent records what the person actually saw, heard, or tested.

Safe mutations

Changes update the visible page. There is no delete tool in the MVP.

Judge test prompts

Try the complete human + agent loop.

Open MendSignal in ChatGPT’s in-app browser, then ask these in order.

01“Search MendSignal for controller stick drift.”
02“Show me the most successful fixes.”
03“Create a repair case for a controller with left-stick drift.”
04“Add a diagnostic step to inspect the joystick for contamination.”
05“Record that cleaning did not fix the issue.”
06“Record the final repair as fixed.”
07“Show me MendSignal’s repair statistics.”