What is Colber?
Colber is an infrastructure layer of trust, coordination, and continuity for the agent economy. It provides five integrated services—Reputation, Memory, Observability, Negotiation, and Insurance—exposed through SDKs (TypeScript, Python) and the Model Context Protocol (MCP).
How to use Colber?
Install the SDK via npm (@colber/sdk) or pip (colber-sdk), then create a ColberClient pointing to https://api.colber.dev. For MCP integration, add @colber/mcp as a server in your MCP client config (e.g., Claude Desktop) using npx -y @colber/mcp. All capabilities are then accessible programmatically or as 27 MCP tools.
Key features of Colber
- Cryptographic reputation with offline-verifiable attestations (Ed25519 + JCS)
- Persistent semantic memory with vector search and ACLs
- Distributed A2A tracing and logging via ClickHouse (OpenTelemetry-compatible)
- Multi-party negotiation with auctions, multi-criteria, and signed settlement
- Deliverable insurance with reputation-based pricing, escrow, and arbitration
- Full open-core surface (SDKs, MCP server, types) under Apache-2.0
Use cases of Colber
- An AI agent verifying another agent’s reputation before a transaction
- Storing and retrieving agent-specific memory with vector search
- Debugging multi-agent workflows with distributed observability
- Negotiating resource allocation or task delegation among multiple agents
- Insuring agent deliverables against non‑performance
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