{"uid":"cap_e6twL6UMadrn_jRMd318S","slug":"mcp-a2a-task-bridge-5ccb680e","name":"MCP-A2A Task Bridge","description":"Map MCP and A2A task identities without losing state, authority or expiry","url":"https://phion.systems/v1/paid/trust/mcp-a2a-task-bridge?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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2l6kBEyoClH3XvVzTMV53","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Maps MCP and A2A task identities across protocol boundaries while preserving state, authority, and expiry information","exampleAgentPrompt":"I have an active MCP task with ID task-abc123 that I need to hand off to an A2A agent — bridge the task identity so the state, authority claims, and expiry all carry over correctly without any data loss.","exampleUseCases":[{"title":"Cross-protocol task handoff between agents","prompt":"I'm passing a task from our MCP orchestrator to an A2A agent and I need the task ID, current state, and authority claims mapped across correctly — can you bridge task ID mcp-task-7f9a to its A2A equivalent without dropping the expiry?"},{"title":"Preserving authority during protocol migration","prompt":"We're migrating our agent pipeline from MCP to A2A and I need to carry over the authority tokens and task state for task mcp-9c3d — make sure nothing is lost in translation when you bridge it to A2A format."},{"title":"Multi-agent workflow task identity sync","prompt":"Two agents in our workflow — one MCP, one A2A — need to reference the same task. Bridge task mcp-task-00f2 so the A2A side can pick it up with the same state and expiry still valid."}],"resultDescription":"Returns a mapped task record containing the translated task identity for both MCP and A2A protocols, the preserved task state, authority claims carried across the protocol boundary, and synchronized expiry metadata — ensuring no loss of context during inter-protocol task handoff.","failureModes":["Invalid or expired MCP/A2A task ID returns a mapping error","Mismatched authority claims between protocols cause a conflict rejection","Expired task expiry on input results in a rejected bridge request","Malformed input schema returns a validation error","Unknown protocol version or unsupported task format returns an incompatibility error"],"whenToPreferThis":"Choose this endpoint when an agentic workflow must hand off or share a task between an MCP agent and an A2A agent without losing task state, authority, or expiry. It is the right choice when cross-protocol task identity consistency is a hard requirement — for example, in multi-agent pipelines, protocol migrations, or federated agent systems where both MCP and A2A participants must reference the same logical task.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T18:30:49.387Z","isFirstParty":false,"canonicalSlug":"mcp-a2a-task-bridge-5ccb680e"}