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Agent Receipts

R0· no sign-in

Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.

v1.0.1 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust75of 100
Uptime, 30 days97%
Latency p50166 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "agent-receipts": {
      "type": "http",
      "url": "https://agent-receipts.dropwatchhq.com/mcp"
    }
  }
}
claude mcp add --transport http agent-receipts https://agent-receipts.dropwatchhq.com/mcp
[mcp_servers.agent-receipts]
url = "https://agent-receipts.dropwatchhq.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "agent-receipts": {
      "type": "remote",
      "url": "https://agent-receipts.dropwatchhq.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "agent-receipts": {
      "type": "http",
      "url": "https://agent-receipts.dropwatchhq.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=agent-receipts&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYWdlbnQtcmVjZWlwdHMuZHJvcHdhdGNoaHEuY29tL21jcCJ9"
}
{
  "servers": {
    "agent-receipts": {
      "type": "http",
      "url": "https://agent-receipts.dropwatchhq.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "agent-receipts": {
      "httpUrl": "https://agent-receipts.dropwatchhq.com/mcp"
    }
  }
}
extensions:
  "agent-receipts":
    enabled: true
    name: "agent-receipts"
    type: streamable_http
    uri: "https://agent-receipts.dropwatchhq.com/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2024-11-05; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: issue_receipt (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_receipts (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); verify_receipt (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 562 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

3 tools, about 562 tokens to load them all · tool set 6cf481a5dd8a · checked 2026-10-19 10:52 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 75 / 100

no-repository
provenance55
liveness99
freshness65
hygiene80

+dns-namespace +website +reachable +uptime-97% ~updated-119d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://agent-receipts.dropwatchhq.com/mcp streamable-httpnoneyes97%166 ms2024-11-052026-10-19

Tools (3)

issue_receiptMint a verifiable provenance receipt for an autonomous-agent action. Returns a signed (ed25519), content-hashed (SHA-256), server-timestamped receipt that is hash-chained to this agent's prior receipts (tamper-evident audit trail). Pass the raw inputs/outputs (we hash them — raw data is never stored) OR pre-computed sha256 hashes. Use for compliance, audit trails, and dispute resolution of agentic actions. PAID: $0.01 USDC/call via x402.
list_receiptsList the receipt hash-chain for an agent_id, newest first (id, action, timestamp, sequence, hashes, verifyUrl). Use to audit everything a given agent has attested. FREE.
verify_receiptVerify a receipt by id (or by passing the full receipt object). Recomputes the content hash, confirms the id commits to the body, and checks the ed25519 signature. Returns the verification checks plus the provenance record (action, agent, input/output hashes, timestamp, chain position). FREE.

Schemas: list_tools.

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Official server.json
{
  "name": "com.dropwatchhq/agent-receipts",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "x402": "Paid tool 'issue_receipt' settles $0.01 USDC on Base mainnet, keyless; verify_receipt + list_receipts are free. Discovery: https://agent-receipts.dropwatchhq.com/.well-known/x402",
      "useCase": "Verifiable provenance for autonomous-agent actions: audit, compliance, and dispute resolution."
    }
  },
  "title": "Agent Receipts",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://agent-receipts.dropwatchhq.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.1",
  "websiteUrl": "https://agent-receipts.dropwatchhq.com",
  "description": "Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions."
}