Evidence row 34542

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/carlosbravoa/fcvm/blob/main/docs/agents.md"
    ]
  ],
  "name": "fcvm",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-12T03:22:32.194456Z",
        "status": "active",
        "statusChangedAt": "2026-10-12T03:22:32.194456Z",
        "updatedAt": "2026-10-12T03:22:32.194456Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Disposable Firecracker microVM sandboxes for agents: run code, snapshot, fork. Needs Linux with KVM.",
      "name": "io.github.carlosbravoa/fcvm",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Pin the network policy for every sandbox: none, or an allowlist such as @pypi,@github",
              "name": "FCVM_MCP_NETWORK"
            },
            {
              "description": "Template used when the agent names neither an image nor a template, e.g. python-sandbox",
              "name": "FCVM_MCP_TEMPLATE"
            },
            {
              "description": "Stop sandboxes this long after boot unless the agent sets a lifetime, e.g. 4h",
              "name": "FCVM_MCP_TTL"
            },
            {
              "description": "Stop sandboxes that saw no exec or file operation for this long, e.g. 30m",
              "name": "FCVM_MCP_IDLE_STOP"
            },
            {
              "description": "Names of environment variables passed into every sandbox as secrets, e.g. GITHUB_TOKEN",
              "name": "FCVM_MCP_SECRETS"
            },
            {
              "description": "Host credentials relayed into every sandbox: ssh-agent, git",
              "name": "FCVM_MCP_FORWARD"
            },
            {
              "description": "1: restricted sandboxes fetch pip and npm packages through the host's mirror",
              "name": "FCVM_MCP_CACHE"
            },
            {
              "description": "0: don't run sandboxes under the Firecracker jailer even when it is set up",
              "name": "FCVM_MCP_JAIL"
            },
            {
              "description": "Path of the fcvm command, when it isn't on PATH, in ~/.local/bin or in /usr/local/bin",
              "name": "FCVM_BIN"
            }
          ],
          "identifier": "fcvm-mcp",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.7.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "sdk/mcp",
        "url": "https://github.com/carlosbravoa/fcvm"
      },
      "title": "fcvm",
      "version": "0.7.0",
      "websiteUrl": "https://github.com/carlosbravoa/fcvm/blob/main/docs/agents.md"
    }
  },
  "source": "mcp_registry",
  "summary": "Disposable Firecracker microVM sandboxes for agents: run code, snapshot, fork. Needs Linux with KVM."
}

What the leaf hashes

{"body":"428087b26526aaf40bc39ad9dac4ec1543faf489e562b6bda815b3c4e4b9b814","id":34542,"kind":"listing","method":"baseline/1","observed_us":1793025370915938,"prev":null,"subject":"mcp_registry:io.github.carlosbravoa/fcvm","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x8a49d55d9268d464eb4b7b63ea8ee6d545a5c6e4ab2883cc010d4ff4ab797caf
2. 0xf53d1d77ba16ea79419ded439aa01074956ed4f816977aba1dab30b171467972
3. 0xc066474fa02f86750c206f7d486720a39952ebda03658d1aeb960146fdcde09e
4. 0x06a01c63d126cd2953b6a48dec6b92d470881cdde505724f86d20cd08798f7b9
5. 0x29a8f4163e753379447f049ae32d37638c80d4be834e7abf398a5078d3b43fe9
6. 0x587d2b3301e098ce1cf2986c9e4930f4187c520a77b82c4f18b69d4704195a63
7. 0x613ca595189b563f748635ba224c1251ed39f911776e634646bccfa93ea7df44
8. 0x1e729652f04041908588286935cf43d23ab47ecf781f76a9c7e47060b5976444
9. 0x118f1fb2215c57e384aa5784b3b3bfa5e2b496f4e95d98cfd42920ad1c735392
10. 0x982630687ce64555ae64a26aec05bb57bc8d6dbc7f1a3b6335e749ef24ab7401
11. 0x231f490acbb86d1ac0f80fbb2d49e85abc0ff9c6392ca16679f2cdf49b2863ac
12. 0x8cb11bf3bc7d3a6f859c170a167821024ffc4758cdfd2cc96f61a3291aefb637
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae