# Measures, tasks, and evidence MCP tools

This page documents **27 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#L2544-L2572)
- **Output:** [`ListMeasuresOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2574-L2585)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17015–L17026 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17015-L17026)

### `getMeasure` — Get Measure

Get a measure by ID.

- **Input:** [`GetMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2857-L2864)
- **Output:** [`GetMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2866-L2872)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17027–L17038 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17027-L17038)

### `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#L2874-L2892)
- **Output:** [`AddMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2894-L2900)
- **Behavior:** Writes data · Non-destructive · Non-idempotent · Closed world
- **Source:** [specification.yaml · L17039–L17050 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17039-L17050)

### `updateMeasure` — Update Measure

Update an existing measure.

- **Input:** [`UpdateMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2902-L2922)
- **Output:** [`UpdateMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2924-L2930)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17051–L17062 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17051-L17062)

### `deleteMeasure` — Delete Measure

Delete a measure.

- **Input:** [`DeleteMeasureInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2932-L2939)
- **Output:** [`DeleteMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2941-L2948)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17063–L17074 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17063-L17074)

### `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#L2587-L2603)
- **Output:** [`ListMeasureRisksOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2605-L2616)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17075–L17086 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17075-L17086)

### `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#L2680-L2710)
- **Output:** [`ListMeasureTasksOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2712-L2723)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17099–L17110 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17099-L17110)

### `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#L2725-L2738)
- **Output:** [`ListMeasureEvidencesOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2740-L2751)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17111–L17122 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17111-L17122)

### `deleteEvidence` — Delete Evidence

Delete an evidence.

- **Input:** [`DeleteEvidenceInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2807-L2814)
- **Output:** [`DeleteEvidenceOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2816-L2823)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17123–L17134 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17123-L17134)

### `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#L2825-L2836)
- **Output:** [`LinkMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2838-L2839)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17135–L17146 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17135-L17146)

### `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#L2841-L2852)
- **Output:** [`UnlinkMeasureOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L2854-L2855)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L17147–L17158 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L17147-L17158)

### `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#L6861-L6877)
- **Output:** [`ListRiskMeasuresOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L6879-L6890)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18107–L18118 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18107-L18118)

### `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#L7252-L7285)
- **Output:** [`ListTasksOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7287-L7301)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18143–L18154 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18143-L18154)

### `getTask` — Get Task

Get a task by ID.

- **Input:** [`GetTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7303-L7310)
- **Output:** [`GetTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7312-L7318)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18155–L18166 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18155-L18166)

### `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#L7320-L7366)
- **Output:** [`AddTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7368-L7374)
- **Behavior:** Writes data · Non-destructive · Non-idempotent · Closed world
- **Source:** [specification.yaml · L18167–L18178 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18167-L18178)

### `updateTask` — Update Task

Update an existing task.

- **Input:** [`UpdateTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7376-L7446)
- **Output:** [`UpdateTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7448-L7457)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18179–L18190 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18179-L18190)

### `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#L7459-L7470)
- **Output:** [`AssignTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7472-L7478)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18191–L18202 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18191-L18202)

### `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#L7480-L7487)
- **Output:** [`UnassignTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7489-L7495)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18203–L18214 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18203-L18214)

### `deleteTask` — Delete Task

Delete a task.

- **Input:** [`DeleteTaskInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7497-L7504)
- **Output:** [`DeleteTaskOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7506-L7513)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18215–L18226 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18215-L18226)

### `unlinkTaskExternal` — Unlink Task External

Unlink a task from its external issue.

- **Input:** [`UnlinkTaskExternalInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7235-L7242)
- **Output:** [`UnlinkTaskExternalOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7244-L7250)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18275–L18286 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18275-L18286)

### `listTaskComments` — List Task Comments

List comments for a task, oldest first.

- **Input:** [`ListTaskCommentsInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7569-L7585)
- **Output:** [`ListTaskCommentsOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7587-L7601)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18287–L18298 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18287-L18298)

### `getTaskComment` — Get Task Comment

Get a task comment by ID.

- **Input:** [`GetTaskCommentInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7603-L7610)
- **Output:** [`GetTaskCommentOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7612-L7618)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18299–L18310 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18299-L18310)

### `addTaskComment` — Add Task Comment

Add a comment to a task.

- **Input:** [`AddTaskCommentInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7620-L7634)
- **Output:** [`AddTaskCommentOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7636-L7642)
- **Behavior:** Writes data · Non-destructive · Non-idempotent · Closed world
- **Source:** [specification.yaml · L18311–L18322 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18311-L18322)

### `updateTaskComment` — Update Task Comment

Update an existing task comment.

- **Input:** [`UpdateTaskCommentInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7644-L7658)
- **Output:** [`UpdateTaskCommentOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7660-L7666)
- **Behavior:** Writes data · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18323–L18334 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18323-L18334)

### `deleteTaskComment` — Delete Task Comment

Delete a task comment.

- **Input:** [`DeleteTaskCommentInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7668-L7675)
- **Output:** [`DeleteTaskCommentOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7677-L7684)
- **Behavior:** Writes data · Destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18335–L18346 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18335-L18346)

### `listTaskActivities` — List Task Activities

List activities for a task, newest first.

- **Input:** [`ListTaskActivitiesInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7779-L7795)
- **Output:** [`ListTaskActivitiesOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7797-L7811)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18347–L18358 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18347-L18358)

### `getTaskActivity` — Get Task Activity

Get a task activity by ID.

- **Input:** [`GetTaskActivityInput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7813-L7820)
- **Output:** [`GetTaskActivityOutput`](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L7822-L7828)
- **Behavior:** Read only · Non-destructive · Idempotent · Closed world
- **Source:** [specification.yaml · L18359–L18370 ↗](https://github.com/getprobo/probo/blob/main/pkg/server/api/mcp/v1/specification.yaml#L18359-L18370)