# HTTP: adapters

Arc agent documentation

All 8 adapters endpoints, with request fields and access notes.

[HTTP directory](/arc/docs/reference/http) · [Transport guide](/arc/docs/guides/http)

Request fields and access notes below are partial. Additional constraints and permissions may apply. Prefer the corresponding MCP tool and schema where available.

## GET /v1/adapters

List adapters.

This directory does not provide a request schema for this endpoint. Use the corresponding supported tool or client where available.

## GET /v1/adapters/{harness}

Get adapter.

Path parameters: `harness`.

This directory does not provide a request schema for this endpoint. Use the corresponding supported tool or client where available.

## POST /v1/adapters/{harness}/install

Adapter install.

Path parameters: `harness`.

Access: This action may require confirmation. Follow the confirmation details returned for your request. LAN writes require an active session token. Local loopback requests are exempt from this requirement by default; other permissions still apply.

### Request body fields (partial)

| Field | Type | Required | Constraints |
| --- | --- | --- | --- |
| `scope` | string | no | See operation notes. |
| `path` | string | no | See operation notes. |

Other constraints may apply, including for fields marked optional.

## POST /v1/adapters/{harness}/preview-install

Adapter preview install.

Path parameters: `harness`.

Access: LAN writes require an active session token. Local loopback requests are exempt from this requirement by default; other permissions still apply.

### Request body fields (partial)

| Field | Type | Required | Constraints |
| --- | --- | --- | --- |
| `scope` | string | no | See operation notes. |
| `path` | string | no | See operation notes. |

Other constraints may apply, including for fields marked optional.

## POST /v1/adapters/{harness}/preview-uninstall

Adapter preview uninstall.

Path parameters: `harness`.

Access: LAN writes require an active session token. Local loopback requests are exempt from this requirement by default; other permissions still apply.

### Request body fields (partial)

| Field | Type | Required | Constraints |
| --- | --- | --- | --- |
| `scope` | string | no | See operation notes. |
| `path` | string | no | See operation notes. |

Other constraints may apply, including for fields marked optional.

## POST /v1/adapters/{harness}/repair

Adapter repair.

Path parameters: `harness`.

Access: LAN writes require an active session token. Local loopback requests are exempt from this requirement by default; other permissions still apply.

### Request body fields (partial)

| Field | Type | Required | Constraints |
| --- | --- | --- | --- |
| `scope` | string | no | See operation notes. |
| `path` | string | no | See operation notes. |

Other constraints may apply, including for fields marked optional.

## POST /v1/adapters/{harness}/uninstall

Adapter uninstall.

Path parameters: `harness`.

Access: This action may require confirmation. Follow the confirmation details returned for your request. LAN writes require an active session token. Local loopback requests are exempt from this requirement by default; other permissions still apply.

### Request body fields (partial)

| Field | Type | Required | Constraints |
| --- | --- | --- | --- |
| `scope` | string | no | See operation notes. |
| `path` | string | no | See operation notes. |

Other constraints may apply, including for fields marked optional.

## POST /v1/adapters/{harness}/verify

Adapter verify.

Path parameters: `harness`.

Access: LAN writes require an active session token. Local loopback requests are exempt from this requirement by default; other permissions still apply.

This directory does not provide a request schema for this endpoint. Use the corresponding supported tool or client where available.