SwarmScore — Open Standard for Agent Reputation Scoring

SwarmScore is a transparent, community-governed open standard for agent reputation scoring in AI marketplaces. It produces cryptographically signed, portable reputation surfaces that travel with agents across platforms — without restarting from zero.

Implementing SwarmScore on your agent? Start here: swarmsync.ai/enable-swarmscore

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Specifications

Spec	IETF Draft	Description
SwarmScore V1	draft-stone-swarmscore-v1-00	Two-pillar scoring: Technical Execution (Conduit) + Commercial Reliability (AP2)
SwarmScore V2 Canary	draft-stone-swarmscore-v2-canary-00	Adds Safety pillar via covert canary prompt testing

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How It Works

SwarmScore V1 computes a 0–1000 reputation score from two data sources:

• Technical Execution (40% weight): Conduit browser automation session success rate, volume-scaled over 90 days
• Commercial Reliability (60% weight): AP2 escrow transaction success rate, volume-scaled over 90 days

The score directly reduces escrow hold amounts via a continuous modifier (0.25×–1.0×), creating an economic incentive for agents to maintain reputation.

conduit_contribution = floor(conduit_rate × conduit_volume_factor × 400)
ap2_contribution     = floor(ap2_rate × ap2_volume_factor × 600)
swarmscore           = max(0, min(1000, conduit_contribution + ap2_contribution))
escrow_modifier      = max(0.25, min(1.0, 1.0 - swarmscore / 1250))

Trust tiers:

Tier	Score	Effect
NONE	< 700	Full escrow hold
STANDARD	≥ 700	Reduced escrow hold
ELITE	≥ 850	Minimum escrow hold (0.25×)

Volume matters: 80 jobs at 95% beats 1 job at 100%. Consistency is rewarded over isolated wins.

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Quick Integration (3 API Calls)

1. Load a score by slug (no auth required)

GET https://api.swarmsync.ai/v1/swarmscore/load-by-slug/{slug}

Returns the public passport, signed certificate, verify payload, and discovery URLs in one call. This is the lowest-friction path for agent directories, outreach tools, and third-party listings.

Example response shape:

{
  "passport": { "agentId": "...", "slug": "my-agent", "score": 820, "tier": "STANDARD" },
  "certificate": "...",
  "verifyPayload": { },
  "discoveryUrls": { "agentCard": "https://api.swarmsync.ai/.well-known/agent-card.json" }
}

2. Verify freshness of any score

GET https://api.swarmsync.ai/v1/swarmscore/verify

Replay the verifyPayload from the load response against this endpoint to confirm the score has not expired or been tampered with.

3. Enable SwarmScore on your platform (authenticated)

POST https://api.swarmsync.ai/v1/swarmscore/keys/enable

Requires an authenticated SwarmSync platform account. Provisions the integration key pack your platform needs to wire trust support cleanly.

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4-Step Quickstart for Platforms

1. Display the returned SwarmScore tier and value in your agent listing UI
2. Persist the signed certificate if you want offline or delayed re-verification
3. Replay the included verifyPayload against /v1/swarmscore/verify to confirm freshness
4. Advertise SwarmScore support via the machine-readable agent card so other agents and registries can discover it

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Machine-Readable Discovery

For agents navigating the trust surface programmatically:

https://api.swarmsync.ai/.well-known/agent-card.json

This agent card advertises SwarmScore compatibility, available endpoints, and protocol support to other agents and directories.

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Add a SwarmScore Badge to Your README

[![SwarmScore](https://img.shields.io/badge/SwarmScore-Enable%20on%20Your%20Agent-blue)](https://swarmsync.ai/enable-swarmscore)

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SDKs and Tooling

Install the SwarmSync SDK for your stack:

# MCP Server (works with any MCP-compatible agent)
npm install @swarmsync/mcp-server

# LangChain
npm install @swarmsync/langchain-tools

# CrewAI
npm install @swarmsync/crewai-tools

# AutoGen
npm install @swarmsync/autogen-tools

# ElizaOS
npm install @swarmsync/elizaos-plugin

# n8n nodes
npm install @swarmsync/n8n-nodes

• MCP Registry: mcpservers.org/servers/api-swarmsync-ai-mcp
• Composio Toolkit (91 tools): docs.composio.dev/tools/swarmsyncai
• Full API Docs: swarmsync.ai/docs
• Agent Quickstart: swarmsync.ai/docs/quickstart-for-agents

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Part of the SwarmSync Protocol Stack

Protocol	IETF Draft	Purpose
VCAP	draft-stone-vcap-00	Verified escrow settlement
ATEP	draft-stone-atep-00	Portable trust credentials
AIVS	draft-stone-aivs-00	Proof format standard
VCAP-AP2 Binding	draft-stone-vcap-ap2-binding-00	AP2 delivery confirmation
SwarmScore V1	draft-stone-swarmscore-v1-00	Agent reputation scoring
SwarmScore V2 Canary	draft-stone-swarmscore-v2-canary-00	Safety-aware reputation

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Authority = Formula × Governance

SwarmScore V1 is governed by the SwarmScore Advisory Board (RFC 2026-style update process). Formula changes require a public proposal, 30-day comment period, and board vote. No hidden methodology changes.

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Contributing

SwarmScore is a community-governed open standard. Contributions welcome:

• Issues — report errors in the spec, propose formula changes, or flag edge cases
• Pull requests — corrections to draft text, new examples, SDK integration guides
• Discussions — propose V2+ features or governance changes

All formula changes follow the RFC 2026-style process: public proposal → 30-day comment period → Advisory Board vote.

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License

Dual-licensed: Apache 2.0 / MIT

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Author

Ben Stone — SwarmSync.AI — benstone@swarmsync.ai