← The evidence ledger
Evidence row 23000
Observed , by baseline/1.
- Kind
- listing
- About
- source_record mcp_registry:dev.ngrok-free.sympathy-myself-jogger/agentbridge
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 17776a3d1e46ba3bf6ad01ff8ec9f44811cbd26b794b859e3806ae5ef6f66ca8
- Leaf
- 0x7138f7401056006a4c2dc85a74c7bd43db337ff198f42569c59545dbeba69d44
What was observed
{
"endpoints": [
[
"mcp",
"https://sympathy-myself-jogger.ngrok-free.dev/discovery/mcp"
],
[
"web",
"https://sympathy-myself-jogger.ngrok-free.dev/llms.txt"
]
],
"name": "AgentBridge — Discover A2A Services from MCP",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-10-16T22:44:14.490796Z",
"status": "active",
"statusChangedAt": "2026-10-16T22:44:14.490796Z",
"updatedAt": "2026-10-16T22:44:14.490796Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"_meta": {
"io.modelcontextprotocol.registry/publisher-provided": {
"a2aCompatibility": "Separate /discovery/a2a supports synchronous SendMessage and message/send. Explicit free_* actions support a bounded guest trial without signup, reading repository documentation or answering questions through DeepWiki. Find schemas at /public/services?protocol=mcp. Shared cache by public arguments; no guest status/history, streaming or push delivery.",
"agentCard": "https://sympathy-myself-jogger.ngrok-free.dev/.well-known/agent-card.json",
"authorizationMetadata": "https://sympathy-myself-jogger.ngrok-free.dev/.well-known/oauth-authorization-server",
"executionEndpoint": "https://sympathy-myself-jogger.ngrok-free.dev/discovery/mcp",
"explicitTools": "tools/list provides full schemas for free_* tools on both provider protocols. Supply requestKey and arguments, not contractId. Guest inputs must be public; results may be cached by arguments. Guidance only recommends tools; it never buys them.",
"guestLimits": {
"concurrency": 2,
"newArgumentSetsPerRollingDay": 100,
"newArgumentSetsPerRollingHour": 20
},
"humanInteractionRequired": false,
"keywordSearch": "https://sympathy-myself-jogger.ngrok-free.dev/public/services?protocol=a2a&q=",
"modernHttp": "2026-07-28 supports server/discover, tools/list and tools/call with per-request metadata and matching MCP-Protocol-Version, Mcp-Method and Mcp-Name headers. No initialize/session. JSON response mode; subscriptions and input requests not offered.",
"onboarding": "https://sympathy-myself-jogger.ngrok-free.dev/public/usage",
"protectedResourceMetadata": "https://sympathy-myself-jogger.ngrok-free.dev/.well-known/oauth-protected-resource/discovery/mcp",
"publicServiceCatalog": "https://sympathy-myself-jogger.ngrok-free.dev/public/services",
"registration": "No signup needed for advertised free_* trial tools. For account execution/history follow OAuth onboarding; private history remains authenticated.",
"resultRecovery": "Guest: repeat the same explicit tool and arguments for its cached result; no guest status/history. Account: keep requestKey and use execution_status. No automatic replacement of uncertain operations.",
"scope": "Public discovery and bounded free_* guest executions. Generic execute, durable account history and payments are not available anonymously. No public payments.",
"supportedProtocolVersions": [
"2026-07-28",
"2025-11-25",
"2025-06-18"
],
"tools": [
"discover",
"execute",
"execution_status",
"free_agenthub-free-guidance",
"free_deepwiki-public-structure",
"free_deepwiki-public-question"
]
}
},
"description": "Free repository documentation for MCP and A2A agents. Bounded no-signup trial with shared cache.",
"name": "dev.ngrok-free.sympathy-myself-jogger/agentbridge",
"remotes": [
{
"headers": [
{
"name": "ngrok-skip-browser-warning",
"value": "1"
}
],
"type": "streamable-http",
"url": "https://sympathy-myself-jogger.ngrok-free.dev/discovery/mcp"
}
],
"title": "AgentBridge — Discover A2A Services from MCP",
"version": "0.9.1-rc.29",
"websiteUrl": "https://sympathy-myself-jogger.ngrok-free.dev/llms.txt"
}
},
"source": "mcp_registry",
"summary": "Free repository documentation for MCP and A2A agents. Bounded no-signup trial with shared cache."
}What the leaf hashes
{"body":"17776a3d1e46ba3bf6ad01ff8ec9f44811cbd26b794b859e3806ae5ef6f66ca8","id":23000,"kind":"listing","method":"baseline/1","observed_us":1793025350092594,"prev":null,"subject":"mcp_registry:dev.ngrok-free.sympathy-myself-jogger/agentbridge","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae