# Create briefs URL: https://docs.hanzo.ai/docs/openapi/agent/post-agent-briefs > Assigns a research brief to a venture lead, dispatches durable child tasks to the designated specialist agents, attributes each specialist's cited findings and unsupported-claim flags, and runs the lead synthesis once all specialist tasks complete. `POST /v1/agent/briefs` > [Agent →](https://docs.hanzo.ai/docs/openapi/agent) · [All API references →](https://docs.hanzo.ai/docs/openapi) · [Get started →](https://docs.hanzo.ai/docs/guides) | | | | ------------- | -------------------------------------- | | **Address** | `https://api.hanzo.ai/v1/agent/briefs` | | **Method** | `POST` | | **Operation** | `post_agent_briefs` | | **Auth** | `Authorization: Bearer $HANZO_API_KEY` | Assigns a research brief to a venture lead, dispatches durable child tasks to the designated specialist agents, attributes each specialist's cited findings and unsupported-claim flags, and runs the lead synthesis once all specialist tasks complete. If any specialist fails, completed specialist work is preserved on the brief (`partial_failure`) so `POST /v1/agent/briefs/:id/rerun` re-executes only the failed specialist task. ## Request 6 fields, body `application/json` (required). | Field | In | Type | Required | Description | | ------------- | ---- | --------- | -------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `failOnce` | body | string\[] | — | FailOnce optionally names specialist handles whose initial task execution should fail before model invocation, used to exercise and verify selective child-task retry. | | `lead` | body | string | — | Lead is the venture lead agent handle or ID; defaults to "venture-lead". | | `question` | body | string | — | Question is the research question or brief handed to the venture lead. | | `specialists` | body | string\[] | — | Specialists lists the specialist agent handles or IDs to dispatch durable child tasks to; defaults to regulatory-clinical and market-competitive when omitted. | | `title` | body | string | — | Title is the headline of the research brief. | | `venture` | body | string | — | Venture is the venture slug this brief belongs to. | ## Response | Status | Body | Meaning | | --------- | ----------------- | ------- | | `200` | agent.BriefRecord | ok | | `default` | problem-details | refused | `200` body — 45 fields. | Field | In | Type | Always | Description | | --------------------------- | ---- | ------------------------- | ------ | ---------------------------------------------------------------------------------------------------------------------- | | `attribution` | body | agent.BriefAttribution\[] | — | Attribution records who did what across the lead and specialist agents. | | `attribution[].agentId` | body | string | — | AgentID is the contributing agent's stable ID. | | `attribution[].agentName` | body | string | — | AgentName is the contributing agent's handle. | | `attribution[].citations` | body | string\[] | — | Citations are the source citations contributed by this agent. | | `attribution[].function` | body | string | — | Function is the studio function represented by the agent. | | `attribution[].microUsd` | body | integer (int64) | — | MicroUSD is the spend attributed to this agent on the brief in integer micro-USD. | | `attribution[].parentId` | body | string | — | ParentID is the manager agent ID this agent reports to. | | `attribution[].role` | body | string | — | Role is "lead" or "specialist". | | `attribution[].runId` | body | string | — | RunID is the agent\_runs execution ID that produced this contribution. | | `attribution[].summary` | body | string | — | Summary is a concise excerpt of what this agent produced. | | `citations` | body | string\[] | — | Citations are the deduplicated source citations across the specialist tasks and lead synthesis. | | `createdAt` | body | integer (int64) | — | CreatedAt is when the brief was submitted, as Unix seconds. | | `id` | body | string | — | ID is the stable brief handle (`brief_...`). | | `leadAgent` | body | string | — | LeadAgent is the venture lead agent's handle. | | `leadAgentId` | body | string | — | LeadAgentID is the venture lead agent's stable ID. | | `leadRunId` | body | string | — | LeadRunID is the recorded run ID of the lead synthesis once completed. | | `openQuestions` | body | string\[] | — | OpenQuestions are the unresolved questions surfaced for domain review or follow-up. | | `question` | body | string | — | Question is the nonconfidential research question assigned to the venture lead. | | `rerunsPerformed` | body | integer (int64) | — | RerunsPerformed is how many failed specialist tasks were re-executed on the latest rerun. | | `skippedCompleted` | body | integer (int64) | — | SkippedCompleted is how many already-completed specialist tasks were preserved without re-running on the latest rerun. | | `status` | body | string | — | Status is the brief's lifecycle state: completed or partial\_failure. | | `synthesis` | body | string | — | Synthesis is the lead agent's integrated synthesis once all specialist child tasks succeed. | | `tasks` | body | agent.BriefTask\[] | — | Tasks are the durable specialist child tasks belonging to this brief. | | `tasks[].agentId` | body | string | — | AgentID is the specialist agent's stable handle (`agent_...`). | | `tasks[].agentName` | body | string | — | AgentName is the specialist agent's name in the organization. | | `tasks[].attempts` | body | integer (int64) | — | Attempts counts how many times this specialist task has been executed. | | `tasks[].briefId` | body | string | — | BriefID is the parent research brief identifier (`brief_...`). | | `tasks[].citations` | body | string\[] | — | Citations are the source references extracted from the specialist's output. | | `tasks[].error` | body | string | — | Error records the failure reason when status is "error". | | `tasks[].function` | body | string | — | Function is the studio function the specialist represents. | | `tasks[].id` | body | string | — | ID is the stable task identifier (`task_...`). | | `tasks[].lineage` | body | string\[] | — | Lineage is the specialist's ancestor agent IDs, nearest first. | | `tasks[].microUsd` | body | integer (int64) | — | MicroUSD is the cumulative spend of this child task in integer micro-USD. | | `tasks[].output` | body | string | — | Output is the attributable text produced by the specialist when status is "done". | | `tasks[].parentId` | body | string | — | ParentID is the manager agent ID in the specialist's lineage. | | `tasks[].prompt` | body | string | — | Prompt is the specialist-scoped sub-brief dispatched to this agent. | | `tasks[].runId` | body | string | — | RunID is the recorded agent\_runs row ID for the latest execution attempt. | | `tasks[].status` | body | string | — | Status is the durable task state: pending, done, or error. | | `tasks[].unsupportedClaims` | body | string\[] | — | UnsupportedClaims are the claims the specialist flagged as lacking primary evidence. | | `tasks[].updatedAt` | body | integer (int64) | — | UpdatedAt is when the child task was last updated, as Unix seconds. | | `title` | body | string | — | Title is the short headline of the research brief. | | `totalMicroUsd` | body | integer (int64) | — | TotalMicroUSD is the total spend across all specialist tasks and the lead synthesis in integer micro-USD. | | `unsupportedClaims` | body | string\[] | — | UnsupportedClaims are the claims flagged as lacking primary empirical support. | | `updatedAt` | body | integer (int64) | — | UpdatedAt is when the brief was last updated, as Unix seconds. | | `venture` | body | string | — | Venture is the venture slug this research brief belongs to. | Failure carries the platform error shape — see [Errors](https://docs.hanzo.ai/docs/errors). ## Examples **CLI** ```bash hanzo agent briefs create ``` **SDK** **.ts** ```ts import { Configuration, AgentApi } from 'hanzoai'; const api = new AgentApi(new Configuration({ accessToken: process.env.HANZO_API_KEY })); const { data } = await api.postAgentBriefs({ failOnce: [""], lead: "" }); ``` **.py** ```python from hanzoai.cloud import ApiClient, Configuration from hanzoai.cloud.api import AgentApi client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"])) result = AgentApi(client).post_agent_briefs(fail_once=[""], lead="") ``` **.go** ```go cfg := hanzoai.NewConfiguration() cfg.AddDefaultHeader("Authorization", "Bearer "+os.Getenv("HANZO_API_KEY")) client := hanzoai.NewAPIClient(cfg) resp, _, err := client.AgentAPI.PostAgentBriefs(context.Background()).Execute() if err != nil { return err } ``` **.rs** ```rust use hanzo_client::apis::{configuration::Configuration, agent_api}; let mut cfg = Configuration::new(); cfg.bearer_access_token = std::env::var("HANZO_API_KEY").ok(); let result = agent_api::post_agent_briefs(&cfg, Default::default()).await?; ``` **.java** ```java import ai.hanzo.cloud.ApiClient; import ai.hanzo.cloud.api.AgentApi; ApiClient client = new ApiClient(); client.setBearerToken(System.getenv("HANZO_API_KEY")); var result = new AgentApi(client).postAgentBriefs(); ``` The method above is the one at the current release of the document. `hanzoai@8.5.914` (npm) and `hanzoai@8.5.914` (PyPI) were generated from an earlier release, where this operation carried a different id, so it spells the method differently — regenerating the clients is what makes the two agree. [SDKs →](https://docs.hanzo.ai/docs/sdks) **HTTP** ```bash curl -X POST https://api.hanzo.ai/v1/agent/briefs \ -H "Authorization: Bearer $HANZO_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "failOnce": [ "" ], "lead": "" }' ``` **MCP** MCP reaches **agent** through the `agent` tool, which names its 51 operations with its own verbs — this one among them, under a name only MCP declares. `describe` explains any of them: ```bash curl -X POST https://api.hanzo.ai/v1/mcp \ -H "Content-Type: application/json" \ -d '{ "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "describe", "arguments": { "op": "list_agents" } } }' ``` --- [Agent API](https://docs.hanzo.ai/docs/openapi/agent) · [All Hanzo APIs](https://docs.hanzo.ai/docs/openapi) · [Interactive reference](https://docs.hanzo.ai/docs/openapi/reference)