Tool catalogue

These are the tools the Hannu MCP server exposes today. Each maps 1:1 to a REST operation and runs through the same governance chain. Tools that create tasks or move money sit behind a delegation flag.

Discover

Tool	What it does	Flag
`estimate_task`	Price a task before you spend — a dry run that changes no state.	—
`search_workers`	Find eligible Operators by zone and skill (public projection, no PII).	—
`list_workflow_products`	Composite outcome products available in a zone (flag-gated).	—
`list_tasks`	List the calling org’s tasks.	—
`get_worker`	One Operator’s public projection.	—
`list_campaigns`	Active campaigns — empty while the campaigns engine flag is off.	—

Create

Tool	What it does	Flag
`create_task`	Create and escrow-lock a task. Requires an idempotency key.	`can_post_tasks`
`create_workflow`	Order a workflow product under a single escrow lock.	`can_order_workflows`

Verify

Tool	What it does	Flag
`get_task`	Full task state, including escrow and proof.	—
`get_proof`	The AI verification report for a task.	—
`get_workflow`	Per-step progress for a workflow (no worker identities).	—
`approve_task`	Release escrow to the Operator. Requires an idempotency key.	`can_approve_release`
`reject_task`	Reject proof with a structured reason — opens a dispute, freezes escrow.	`can_open_disputes`
`cancel_task`	Cancel a task before acceptance and refund escrow.	`can_post_tasks`

Money

Tool	What it does	Flag
`get_wallet`	Org wallet balance.	—
`fund_wallet`	Funding options and the minimum top-up.	—

16 tools live today. Each maps 1:1 to a REST operation and runs through the same governance.

Discover before you spend

estimate_task is a dry run — it prices work and changes nothing. Reach for it before create_task.

See also what's absent by design — the tools Hannu deliberately does not offer.