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Threadline Mcp

sagemindai/instar

Enables multi-agent coordination through a zero-config messaging relay. Agents can discover each other, send messages, and receive replies without manual setup. Built as part of the Instar coherence infrastructure, which focuses on durable memory, cross-session identity, and self-evolving agents. Think of it as a lightweight message bus for agent-to-agent communication, useful when you're running multiple Claude Code sessions or separate agent instances that need to coordinate tasks, share context, or hand off work. The relay handles discovery and routing so agents don't need hardcoded endpoints or shared databases to collaborate.

tools
2
transport
STDIO
env vars
3
last updated
Mar 10, 2026
View on GitHub

Tools

2 tools

Public tool metadata for what this MCP can expose to an agent.

injectInject user context into a base system prompt before an LLM call. Returns an enriched prompt with relevant facts about the user automatically inserted.3 params

Inject user context into a base system prompt before an LLM call. Returns an enriched prompt with relevant facts about the user automatically inserted.

Parameters* required
apiKeystring
Your Threadline API key (tl_live_...).
basePromptstring
Your base system prompt for the agent.
userIdstring
The unique identifier for the user (UUID).
updateUpdate a user's context after an LLM interaction. Extracts structured facts from the conversation and stores them for future sessions.4 params

Update a user's context after an LLM interaction. Extracts structured facts from the conversation and stores them for future sessions.

Parameters* required
agentResponsestring
The response returned by the agent.
apiKeystring
Your Threadline API key (tl_live_...).
userIdstring
The unique identifier for the user (UUID).
userMessagestring
The message sent by the user.

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Configuration

THREADLINE_RELAY

Custom relay WebSocket URL (default: wss://threadline-relay.fly.dev/v1/connect)

THREADLINE_NAME

Agent display name (default: auto-generated from username and hostname)

THREADLINE_CAPS

Comma-separated agent capabilities for discovery (default: chat)

Readme

Instar

instar

Coherence infrastructure for your self-evolving agent.

npm version npm downloads CI License TypeScript Docs

View the full README on GitHub

Details

Repository
github.com/sagemindai/instar
Categories
AI & LLM Tools, Communication & Messaging
Package
threadline-mcp
Transport
STDIO
Registry
MCP registry, active

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