fleet-memory/hindsight-docs/docs/api-reference/mcp.md
2025-11-27 16:22:16 +01:00

176 lines
3 KiB
Markdown

---
sidebar_position: 3
---
# MCP API
Model Context Protocol (MCP) tools exposed by the Hindsight MCP server.
## Available Tools
### hindsight_search
Search memories for a memory bank.
**Parameters:**
| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `query` | string | yes | Search query |
| `agent_id` | string | no | bank ID (uses default if not specified) |
| `top_k` | integer | no | Number of results (default: 10) |
**Example:**
```json
{
"name": "hindsight_search",
"arguments": {
"query": "What does Alice do for work?",
"top_k": 5
}
}
```
**Response:**
```json
{
"results": [
{
"text": "Alice works at Google as a software engineer",
"weight": 0.95,
"fact_type": "world"
}
]
}
```
---
### hindsight_think
Generate a personality-aware response using retrieved memories.
**Parameters:**
| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `query` | string | yes | Question or prompt |
| `agent_id` | string | no | bank ID (uses default if not specified) |
| `budget` | string | no | Budget level: 'low', 'mid', 'high' (default: 'low') |
**Example:**
```json
{
"name": "hindsight_think",
"arguments": {
"query": "What should I recommend to Alice?"
}
}
```
**Response:**
```json
{
"text": "Based on Alice's interest in machine learning and her work at Google, I would recommend...",
"based_on": [
{"text": "Alice works at Google", "weight": 0.95}
],
"new_opinions": []
}
```
---
### hindsight_store
Store a new memory.
**Parameters:**
| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `content` | string | yes | Memory content to store |
| `agent_id` | string | no | bank ID (uses default if not specified) |
| `context` | string | no | Context or topic of the memory |
**Example:**
```json
{
"name": "hindsight_store",
"arguments": {
"content": "User prefers Python for data analysis",
"context": "programming discussion"
}
}
```
**Response:**
```json
{
"success": true,
"message": "Memory stored successfully"
}
```
---
### hindsight_agents
List all available memory banks.
**Parameters:** None
**Example:**
```json
{
"name": "hindsight_agents",
"arguments": {}
}
```
**Response:**
```json
{
"memory banks": [
{"agent_id": "default"},
{"agent_id": "assistant"},
{"agent_id": "researcher"}
]
}
```
---
## Environment Variables
| Variable | Description | Default |
|----------|-------------|---------|
| `HINDSIGHT_API_URL` | Hindsight API URL | `http://localhost:8888` |
| `HINDSIGHT_AGENT_ID` | Default bank ID | Required |
## Error Responses
MCP tools return errors in the standard MCP error format:
```json
{
"error": {
"code": "NOT_FOUND",
"message": "Memory bank 'unknown-agent' not found"
}
}
```
| Code | Description |
|------|-------------|
| `INVALID_PARAMS` | Missing or invalid parameters |
| `NOT_FOUND` | Memory bank or resource not found |
| `INTERNAL_ERROR` | Server error |