Reelier MCP Server

Agents make claims, Reelier writes receipts - record an agent workflow once, replay it deterministically at 0 tokens, and get an asserted receipt on

Local serverstdio

What is the Reelier MCP Server?

Agents make claims, Reelier writes receipts - record an agent workflow once, replay it deterministically at 0 tokens, and get an asserted receipt on every run.

What the server does

Reelier records the run that worked, freezes it as a replayable skill, and replays it deterministically — every run comes back as a receipt: proof of what the agent did and what changed because of it. Agents make claims. Reelier writes receipts.

  • 1,000 / 1,000 replays byte-identical —
  • Every replay ships a signed receipt — — proof of what ran and what changed, never a claim
  • 0 LLM calls at replay — — deterministic re-execution, not re-reasoning

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Maintainer setup documentation.

How to install the Reelier MCP Server

{
  "mcpServers": {
    "reelier": {
      "command": "npx",
      "args": ["-y", "reelier"],
      "env": {
        "REELIER_CLOUD_URL": "your-value",
        "REELIER_CLOUD_KEY": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
REELIER_CLOUD_URLEndpoint or connection string the server talks to.Yes
REELIER_CLOUD_KEYCredential the server authenticates with.Yes

Frequently asked questions

Agents make claims, Reelier writes receipts - record an agent workflow once, replay it deterministically at 0 tokens, and get an asserted receipt on every run. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.