# io.github.JKHeadley/threadline-mcp (npm · threadline-mcp)

Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.

- Trust score: 63/100 (medium)
- Change this week: +45
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `threadline-mcp`: 63/100 (this document), [markdown](https://verifymcp.io/servers/jkheadley-threadline-mcp/threadline-mcp.md), [page](https://verifymcp.io/servers/jkheadley-threadline-mcp/threadline-mcp)

## Channel facts

- Registry: `npm`
- Package: `threadline-mcp`
- Version: `0.1.2`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 19/100
  - Repository check failed: the declared repository URL redirects; it must resolve directly.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 120 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 71/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 210 tokens (~52/item across 4 items; 4 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add jkheadley-threadline-mcp -- npx -y threadline-mcp
```

### Codex

```bash
codex mcp add jkheadley-threadline-mcp -- npx -y threadline-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "jkheadley-threadline-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "threadline-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add jkheadley-threadline-mcp --command npx --arg -y --arg threadline-mcp
```

### Hermes

```yaml
mcp_servers:
  jkheadley-threadline-mcp:
    command: "npx"
    args: ["-y", "threadline-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "jkheadley-threadline-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "threadline-mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-02 (score 63, +47)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [functional regression] Tool coverage: 100 → unverified
- [functional improvement] Schema quality: unverified → good
- [functional improvement] Stability: unverified → 0.23
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] License: unverified → pass
- [functional] Licence: MIT

### 2026-07-31 (score 16, −6)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 22, −18)

- [security regression] Malware scan: pass → unverified

### 2026-07-28 (score 40, +22)

- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Schema quality: unverified
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: fail
- [functional] First check of Tool coverage: 100

### 2026-07-27 (score 18)

First indexed and scored.

## MCP tools (4)

### `threadline_send` (~108 tokens)

Send a message to another agent via the Threadline relay. Use threadline_discover first to find agents and their IDs.

Input parameters:

- `message` (string, required): Message text to send
- `threadId` (string): Thread ID to continue a conversation (omit for new thread)
- `timeoutSeconds` (number): Max seconds to wait for reply
- `to` (string, required): Target agent ID (hex string from discovery)
- `waitForReply` (boolean): Wait for the recipient to reply

### `threadline_discover` (~52 tokens)

Discover agents connected to the Threadline relay. Returns agent IDs, names, capabilities, and frameworks.

Input parameters:

- `capability` (string): Filter by capability (e.g., "chat", "code", "research")

### `threadline_inbox` (~30 tokens)

Read recent incoming messages from other agents.

Input parameters:

- `limit` (number): Number of messages to return

### `threadline_status` (~20 tokens)

Check your Threadline relay connection status and agent identity.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/jkheadley-threadline-mcp/threadline-mcp#diagnostics

## Score history

- 2026-08-03: 63
- 2026-08-02: 63
- 2026-08-01: 16
- 2026-07-31: 16
- 2026-07-30: 22
- 2026-07-28: 40
- 2026-07-27: 18

## Links

- npm package: https://www.npmjs.com/package/threadline-mcp
- Socket report: https://socket.dev/npm/package/threadline-mcp
- Changelog RSS feed: https://verifymcp.io/servers/jkheadley-threadline-mcp/threadline-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/jkheadley-threadline-mcp/threadline-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/jkheadley-threadline-mcp/threadline-mcp