Research-Stack/2-Search-Space/tardygrada/examples/facts.tardy

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// Tardygrada — Fact Verification Example
//
// Claims go through the verification pipeline.
// Only grounded claims become Facts.
// Unverified claims stay mutable (untrusted).
agent Researcher @semantics(
truth.min_confidence: 0.85,
truth.min_consensus_agents: 3,
) {
invariant(trust_min: @verified)
// Pending claims — external agents submit via MCP
let origin: Fact = receive("Where was Doctor Who created?") grounded_in(domain) @verified
let creator: Fact = receive("Who created Doctor Who?") grounded_in(domain) @verified
// Shell commands for data retrieval
let wiki: str = exec("curl -s 'https://en.wikipedia.org/api/rest_v1/page/summary/Doctor_Who' | head -c 500")
let name: str = "fact-checker" @sovereign
}
agent MedicalAdvisor @sovereign @semantics(
truth.min_confidence: 0.99,
truth.min_consensus_agents: 5,
pipeline.min_passing_layers: 7,
) {
// Medical claims require near-certainty
let diagnosis: Fact = receive("symptom analysis") grounded_in(medical) @verified
let treatment: Fact = receive("treatment plan") grounded_in(medical) @verified
let name: str = "medical-advisor" @sovereign
}
agent CasualBot @semantics(
truth.min_confidence: 0.5,
truth.min_consensus_agents: 1,
) {
// Casual chat — lower thresholds, less verification
let response: Fact = receive("tell me something interesting") grounded_in(general) @verified
let name: str = "casual-bot"
}