# Measures, tasks, and evidence MCP tools

This page documents **19 tools** in the measures, tasks, and evidence group. Return to the [complete MCP tool reference](/docs/developers/api/mcp/tools) to browse another group.

Select a tool to inspect its schemas and behavior. Schema links open the exact definition in GitHub.

### `listMeasures` — List Measures

List all measures for the organization.

- **Input:** [`ListMeasuresInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2539-L2567)
- **Output:** [`ListMeasuresOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2569-L2580)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15673–L15684 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15673-L15684)

### `getMeasure` — Get Measure

Get a measure by ID.

- **Input:** [`GetMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2838-L2845)
- **Output:** [`GetMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2847-L2853)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15685–L15696 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15685-L15696)

### `addMeasure` — Add Measure

Add a new measure to the organization.

- **Input:** [`AddMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2855-L2873)
- **Output:** [`AddMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2875-L2881)
- **Behavior:** Writes data · Non-destructive · Non-idempotent · Closed world
- **Source:** [specification.yaml · L15697–L15708 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15697-L15708)

### `updateMeasure` — Update Measure

Update an existing measure.

- **Input:** [`UpdateMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2883-L2903)
- **Output:** [`UpdateMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2905-L2911)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15709–L15720 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15709-L15720)

### `deleteMeasure` — Delete Measure

Delete a measure.

- **Input:** [`DeleteMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2913-L2920)
- **Output:** [`DeleteMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2922-L2929)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15721–L15732 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15721-L15732)

### `listMeasureRisks` — List Measure Risks

List risks linked to a measure.

- **Input:** [`ListMeasureRisksInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2582-L2598)
- **Output:** [`ListMeasureRisksOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2600-L2611)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15733–L15744 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15733-L15744)

### `listMeasureTasks` — List Measure Tasks

List tasks linked to a measure.

- **Input:** [`ListMeasureTasksInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2675-L2691)
- **Output:** [`ListMeasureTasksOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2693-L2704)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15757–L15768 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15757-L15768)

### `listMeasureEvidences` — List Measure Evidences

List evidences linked to a measure.

- **Input:** [`ListMeasureEvidencesInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2706-L2719)
- **Output:** [`ListMeasureEvidencesOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2721-L2732)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15769–L15780 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15769-L15780)

### `deleteEvidence` — Delete Evidence

Delete an evidence.

- **Input:** [`DeleteEvidenceInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2788-L2795)
- **Output:** [`DeleteEvidenceOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2797-L2804)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15781–L15792 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15781-L15792)

### `linkMeasure` — Link Measure

Link a measure to a resource (control, risk, document, third party, or treatment plan). The resource type is determined from the resource_id GID.

- **Input:** [`LinkMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2806-L2817)
- **Output:** [`LinkMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2819-L2820)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15793–L15804 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15793-L15804)

### `unlinkMeasure` — Unlink Measure

Unlink a measure from a resource (control, risk, document, third party, or treatment plan). The resource type is determined from the resource_id GID.

- **Input:** [`UnlinkMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2822-L2833)
- **Output:** [`UnlinkMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2835-L2836)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L15805–L15816 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L15805-L15816)

### `listRiskMeasures` — List Risk Measures

List measures linked to a risk.

- **Input:** [`ListRiskMeasuresInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L6808-L6824)
- **Output:** [`ListRiskMeasuresOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L6826-L6837)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L16765–L16776 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16765-L16776)

### `listTasks` — List Tasks

List all tasks for the organization or measure.

- **Input:** [`ListTasksInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L6985-L7004)
- **Output:** [`ListTasksOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7006-L7020)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L16801–L16812 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16801-L16812)

### `getTask` — Get Task

Get a task by ID.

- **Input:** [`GetTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7022-L7029)
- **Output:** [`GetTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7031-L7037)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L16813–L16824 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16813-L16824)

### `addTask` — Add Task

Add a new task to the organization.

- **Input:** [`AddTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7039-L7082)
- **Output:** [`AddTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7084-L7090)
- **Behavior:** Writes data · Non-destructive · Non-idempotent · Closed world
- **Source:** [specification.yaml · L16825–L16836 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16825-L16836)

### `updateTask` — Update Task

Update an existing task.

- **Input:** [`UpdateTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7092-L7155)
- **Output:** [`UpdateTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7157-L7163)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L16837–L16848 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16837-L16848)

### `assignTask` — Assign Task

Assign a task to a person.

- **Input:** [`AssignTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7165-L7176)
- **Output:** [`AssignTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7178-L7184)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L16849–L16860 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16849-L16860)

### `unassignTask` — Unassign Task

Unassign a task from a person.

- **Input:** [`UnassignTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7186-L7193)
- **Output:** [`UnassignTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7195-L7201)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L16861–L16872 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16861-L16872)

### `deleteTask` — Delete Task

Delete a task.

- **Input:** [`DeleteTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7203-L7210)
- **Output:** [`DeleteTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7212-L7219)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L16873–L16884 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L16873-L16884)