{"uid":"cap_ExkBZoNBxZgLY63qOdBX-","slug":"mcp-catalog-cache-guard-15d3ae6b","name":"MCP Catalog Cache Guard","description":"Bind MCP catalog digest to TTL, scope and revalidation policy","url":"https://phion.systems/v1/paid/trust/mcp-catalog-cache-guard?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["body"],"properties":{"body":{"type":"object","additionalProperties":true}}},"output":{"type":"object","required":["example"],"properties":{"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UKedEw40c23Qk5fVeVGkS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Binds an MCP catalog digest to a TTL, scope, and revalidation policy to control caching behavior for AI-agent tool catalogs","exampleAgentPrompt":"Bind the MCP catalog digest 'sha256:abc123' to a 5-minute TTL with agent-scope and a stale-while-revalidate policy so our tool catalog doesn't go stale between calls.","exampleUseCases":[{"title":"Enforcing freshness on agent tool catalog","prompt":"Our MCP tool catalog digest needs to be pinned with a 10-minute TTL and a must-revalidate policy so agents don't use outdated tools — can you set that up using the catalog cache guard?"},{"title":"Scope-limited catalog caching for multi-tenant agents","prompt":"I need to bind our MCP catalog digest to a per-session scope with a 2-minute TTL so different tenant agents can't accidentally share cached catalog state — please configure that with a revalidation policy."},{"title":"Preventing stale catalog trust in production","prompt":"We had an incident where agents used an expired catalog — can you bind the current catalog digest to a strict 1-minute TTL with immediate revalidation required before any agent calls trust it?"}],"resultDescription":"A signed policy binding that associates the provided MCP catalog digest with the specified TTL, scope, and revalidation rules — giving agents a verifiable, time-bounded trust anchor for catalog freshness enforcement.","failureModes":["Missing or malformed catalog digest returns a 400 validation error","TTL value out of acceptable range results in a policy rejection","Unrecognized scope identifier causes binding failure","Expired x402 payment token leads to a 402 payment required response","Conflicting revalidation policy parameters return a constraint violation error"],"whenToPreferThis":"Choose this endpoint when you need deterministic, signed cache governance for MCP catalog digests — especially in multi-agent or multi-tenant environments where stale tool catalogs could cause incorrect behavior. Prefer it over generic caching solutions when you need a portable, auditable policy receipt tied to a specific digest and scope.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T18:41:43.959Z","isFirstParty":false,"canonicalSlug":"mcp-catalog-cache-guard-15d3ae6b"}