Contribution Exchange

Connect Remote server

claude mcp add --transport http contribution-exchange https://signalaf.com/api/exchange/mcp

{
  "mcpServers": {
    "contribution-exchange": {
      "url": "https://signalaf.com/api/exchange/mcp"
    }
  }
}

{
  "servers": {
    "contribution-exchange": {
      "type": "http",
      "url": "https://signalaf.com/api/exchange/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://signalaf.com/api/exchange/mcp

Tools 6 found in our last check

• exchange_discover_domain

  Determine whether a domain publishes a Contribution Exchange profile. Returns the canonical Exchange manifest, policy URLs, signal URLs, and whether the domain is self-hosted or delegated to a Steward. Read-only — does not propose, commit, or authorize anything. Enforces HTTPS,…

• exchange_get_policy

  Fetch the canonical Contribution Exchange policy for a domain or its delegated Steward. Returns authority ceilings, consideration limits, human-review requirements, and supported behavior. Read-only — does not mutate state or perform preflight evaluation. Distinguishes a missing…

• exchange_preflight

  Evaluate a proposed contribution against the same policy logic used by the real proposal flow. Returns whether the proposal is likely to be auto-engaged, accepted for review, escalated to a human, or rejected as invalid. READ-ONLY: performs no proposal insertion, notification, e…

• exchange_list_signals

  List domain-published Exchange Signals (problems, requests, challenges, bounties, verification tasks, discoveries, experiments). Read-only. Returns canonical URLs, signal revision, revision hash, and status. Signal status is DISTINCT from exchange status — a signal does not crea…

• exchange_get_signal

  Get full detail for a single Exchange Signal by ID. Read-only. Returns the complete signal including constraints, participation rules, verification configuration, consideration declaration, and follow-on behavior. A signal does NOT create a Commitment, authorize execution, or gu…

• exchange_get_attempt

  Get detail for a signal attempt. Read-only. Enforces attempt visibility — actors may only read their own private attempts. Returns attempt status and verification result if available. Attempt status is NOT an exchange state. Verification is Steward-controlled and cannot be self-…

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