# Tribal - Knowledge Service Tribal is an MCP (Model Context Protocol) server implementation for error knowledge tracking and retrieval. It provides
Tribal helps Claude remember and learn from programming errors. When you start a Claude Code session, Tribal is automatically available through MCP without additional imports.
Installation goes through your MCP client rather than a global install: point it at build on PyPI and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.
The server publishes 7 tools. What each one is for:
PERSIST_DIRECTORY — ChromaDB storage path (default: "./chroma_db")API_KEY — Authentication key (default: "dev-api-key")SECRET_KEY — JWT signing key (default: "insecure-dev-key-change-in-production")REQUIRE_AUTH — Authentication requirement (default: "false")PORT — Server port (default: 8000)Prerequisites — The Prerequisites tool exposed by this serverVerification — After installation, verify that the tool is properly installed:Configuration is passed through the environment: SECRET_KEY, MCP_API_URL, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Plenty of cloud and infrastructure servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Tribal's toolset — PERSIST_DIRECTORY, API_KEY, SECRET_KEY and 4 more — is a fair guide to whether it matches your workflow. It is maintained by agentience; worth a glance at recent repository activity before you build anything load-bearing on it.
SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.
| Tool | What it does |
|---|---|
| PERSIST_DIRECTORY | ChromaDB storage path (default: "./chroma_db") |
| API_KEY | Authentication key (default: "dev-api-key") |
| SECRET_KEY | JWT signing key (default: "insecure-dev-key-change-in-production") |
| REQUIRE_AUTH | Authentication requirement (default: "false") |
| PORT | Server port (default: 8000) |
| Prerequisites | The Prerequisites tool exposed by this server. |
| Verification | After installation, verify that the tool is properly installed: |
2. Configure Claude for Desktop:
```json
{
"mcpServers": [
{
"name": "tribal",
"url": "http://localhost:5000"
}
]
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| SECRET_KEY | Credential the server authenticates with. | Yes |
| MCP_API_URL | Endpoint or connection string the server talks to. | Yes |
| AWS_ACCESS_KEY_ID | Credential the server authenticates with. | Yes |
| AWS_SECRET_ACCESS_KEY | Credential the server authenticates with. | Yes |
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