# Update matching request details

`projects.update_matchmaking_request`

Update the shared purpose, requested amount, currency, or timing used for matching. Read matching state first. Existing applications are unchanged. Pass get_matchmaking.revision as expected_revision; not answers_revision.

[Matchmaking guide](https://docs.levr.ai/mcp/resources/matchmaking.md)

Availability depends on live discovery and your access to the record. Do not infer MCP calls from REST paths.

Operation: write. Required OAuth scopes: mcp.

## Input schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "properties": {
    "changes": {
      "additionalProperties": false,
      "properties": {
        "decision_due_date": {
          "anyOf": [
            {
              "format": "date",
              "type": "string"
            },
            {
              "type": "null"
            }
          ]
        },
        "flexibility_notes": {
          "maxLength": 10000,
          "type": "string"
        },
        "purpose": {
          "maxLength": 10000,
          "type": "string"
        },
        "target_amount": {
          "anyOf": [
            {
              "pattern": "^[0-9]{1,12}(?:\\.[0-9]{1,2})?$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ]
        },
        "target_currency": {
          "anyOf": [
            {
              "pattern": "^[A-Za-z]{3}$",
              "type": "string"
            },
            {
              "type": "null"
            }
          ]
        }
      },
      "type": "object"
    },
    "expected_workspace_revision": {
      "description": "Copy workspace_revision from projects.get_matchmaking; not revision or answers_revision.",
      "minimum": 0,
      "type": "integer"
    },
    "provider_slug": {
      "description": "Copy provider_slug from providers.list; named slugs are valid.",
      "maxLength": 255,
      "minLength": 1,
      "type": "string"
    },
    "workspace_slug": {
      "description": "Matching workspace: copy workspace_slug (mmw_) from projects.get or projects.list; not project_slug.",
      "maxLength": 255,
      "minLength": 1,
      "type": "string"
    }
  },
  "required": [
    "provider_slug",
    "workspace_slug",
    "expected_workspace_revision",
    "changes"
  ],
  "type": "object"
}
```

## Output schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "oneOf": [
    {
      "not": {
        "required": [
          "error"
        ]
      },
      "properties": {
        "ok": {
          "const": true
        }
      },
      "required": [
        "data"
      ]
    },
    {
      "not": {
        "required": [
          "data"
        ]
      },
      "properties": {
        "ok": {
          "const": false
        }
      },
      "required": [
        "error"
      ]
    }
  ],
  "properties": {
    "data": {
      "additionalProperties": false,
      "properties": {
        "request_details": {
          "type": "object"
        },
        "workspace_revision": {
          "minimum": 0,
          "type": "integer"
        },
        "workspace_slug": {
          "description": "Stable public identifier for the referenced resource.",
          "maxLength": 255,
          "minLength": 1,
          "type": "string"
        }
      },
      "required": [
        "workspace_slug",
        "workspace_revision",
        "request_details"
      ],
      "type": "object"
    },
    "error": {
      "additionalProperties": false,
      "properties": {
        "code": {
          "type": "string"
        },
        "details": {
          "additionalProperties": true,
          "description": "Optional bounded, agent-safe correction or recovery facts.",
          "type": "object"
        },
        "message": {
          "type": "string"
        },
        "retryable": {
          "type": "boolean"
        }
      },
      "required": [
        "code",
        "message",
        "retryable"
      ],
      "type": "object"
    },
    "meta": {
      "additionalProperties": false,
      "properties": {
        "request_id": {
          "type": "string"
        }
      },
      "required": [
        "request_id"
      ],
      "type": "object"
    },
    "ok": {
      "description": "Whether the tool completed successfully.",
      "type": "boolean"
    }
  },
  "required": [
    "ok",
    "meta"
  ],
  "type": "object"
}
```

Check the result, then read the affected record to confirm your change.