Attest MCP Server

io.github.dev-prathap/attest

Repository Registry

What is the Attest MCP server?

Decide by policy, gate behind a human, verify by read-back, record a hash-chained ledger.

How to install Attest

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

ATTEST_POLICY
Path to a policy YAML (defaults to ./attest.yaml or the built-in default)
ATTEST_LEDGER
Ledger SQLite path (default .attest/ledger.sqlite)
ATTEST_AUTO_APPROVE
Set to 1 to approve every confirm request (development only)
ATTEST_CONFIRM_TIMEOUT
Seconds attest_confirm waits for a human (default 900)
GMAIL_TOKEN
secret
Google OAuth access token with gmail.readonly — enables Gmail read-back
GOOGLE_TOKEN
secret
Google OAuth access token — enables Calendar / Drive / Docs / Sheets read-back
SLACK_BOT_TOKEN
secret
Slack bot token (xoxb-…) with channels:history, channels:read — enables Slack read-back
HUBSPOT_TOKEN
secret
HubSpot private-app token — enables HubSpot read-back
NOTION_TOKEN
secret
Notion integration token — enables Notion read-back
LINEAR_API_KEY
secret
Linear API key — enables Linear read-back
GRAPH_TOKEN
secret
Microsoft Graph token — enables Outlook / Teams read-back

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "attest": {
      "command": "uvx",
      "args": [
        "attestlayer"
      ],
      "env": {
        "ATTEST_POLICY": "<YOUR_ATTEST_POLICY>",
        "ATTEST_LEDGER": "<YOUR_ATTEST_LEDGER>",
        "ATTEST_AUTO_APPROVE": "<YOUR_ATTEST_AUTO_APPROVE>",
        "ATTEST_CONFIRM_TIMEOUT": "<YOUR_ATTEST_CONFIRM_TIMEOUT>",
        "GMAIL_TOKEN": "<YOUR_GMAIL_TOKEN>",
        "GOOGLE_TOKEN": "<YOUR_GOOGLE_TOKEN>",
        "SLACK_BOT_TOKEN": "<YOUR_SLACK_BOT_TOKEN>",
        "HUBSPOT_TOKEN": "<YOUR_HUBSPOT_TOKEN>",
        "NOTION_TOKEN": "<YOUR_NOTION_TOKEN>",
        "LINEAR_API_KEY": "<YOUR_LINEAR_API_KEY>",
        "GRAPH_TOKEN": "<YOUR_GRAPH_TOKEN>"
      }
    }
  }
}

Related MCP servers

Attest proxy

Active

Zero-code proxy: policy, human gate, read-back and a hash-chained ledger for any MCP server.

Python

MIT

View repository →

io.github.dev-proxy-tools/mcp

Active

MCP server for Dev Proxy that enables AI assistants to interact with Dev Proxy.

TypeScript

MIT

View repository →

Motion Menu

597 motion/3D UI patterns as ready HTML/CSS/JS, served over MCP. The entire library is free.

Paid MCP Metering

Maintained

Metered MCP tools: free discovery over MCP; per-call execution settled in USDC via x402 v2.

TypeScript

MIT

View repository →

io.github.devag7/linkedin-mcp

Active

LinkedIn for AI assistants — search, profiles, jobs, feed, messaging, and gated writes.

TypeScript

MIT

View repository →

KSail

Active

Kubernetes cluster and workload management bundled into a single binary with CLI, VS Code, and MCP server.

149

View repository →