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Mara Briefing Service

by rico-realistick · remote · no sign-in to list tools · v1.0.0 · published by GitHub user rico-realistick

Paid research briefings for agents: $0.10 USDC/question on Base Sepolia via x402. ERC-8004 #9395.

Changes · 3
CompareRegistry entry

5 tools: 3 change things and 2 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http mara-briefings https://mara-briefings.onrender.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

5 tools

Changes things 3Claude Code: ask
  • fulfill_briefingAdmin only.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Admin only. Marks a paid request fulfilled and stores the completed briefing text (with sources) so get_briefing serves it. Requires the admin secret.
  • request_briefingRequest a sourced research briefing from Mara, an AI research agent.No findings

    Why it is in this group

    • The name "request_briefing" says "request": a word for a change.
    Description, as the server wrote it
    Request a sourced research briefing from Mara, an AI research agent. Provide a question or topic; you receive a request ID. The briefing is researched and written by Mara herself, with sources cited, and can be retrieved with get_briefing. Costs $0.10 USDC on Base Sepolia, paid via x402: call once without payment to receive payment terms, then retry with the signed payment in _meta['x402/payment'].
  • service_cardFree.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Free. Returns this service's agent card: who Mara is, pricing, and terms.
Only reads 2Claude Code: allow
  • get_briefingRetrieve a briefing requested via request_briefing.No findings

    Why it is in this group

    • The name "get_briefing" says "get": a word for reading.
    Description, as the server wrote it
    Retrieve a briefing requested via request_briefing. Free. Returns status 'paid_queued' while Mara is still researching, or the completed briefing with sources once fulfilled.
  • list_queueAdmin only.No findings

    Why it is in this group

    • The name "list_queue" says "list": a word for reading.
    Description, as the server wrote it
    Admin only. Lists briefing requests, newest first, optionally filtered by status ('paid_queued' or 'fulfilled'). Requires the admin secret.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http mara-briefings https://mara-briefings.onrender.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__mara-briefings__get_briefing",
      "mcp__mara-briefings__list_queue"
    ],
    "ask": [
      "mcp__mara-briefings__request_briefing",
      "mcp__mara-briefings__service_card",
      "mcp__mara-briefings__fulfill_briefing"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as mara-briefings. Review it before you use it.