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MCP live MCP 2025-06-18 streamable-http

Contribution Exchange

com.signalaf/contribution-exchange

Contribution Exchange MCP: domain discovery, policies, preflight, proposals, and signals.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
1084ms
last probe
Tools
6
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://signalaf.com/api/exchange/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
6 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
6 items in total; 3 or more earns these points.
pass Describes itself 10/10
89 characters; more than 30 earns these points.

Tools · 6

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…

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 —…

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 …

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 …

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…

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 i…

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://signalaf.com/api/exchange/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "contribution_exchange": {
      "url": "https://signalaf.com/api/exchange/mcp",
      "transport": "streamable-http"
    }
  }
}