← The evidence ledger
Evidence row 33313
Observed , by baseline/1.
- Kind
- listing
- About
- source_record mcp_registry:io.github.antonorlov/mcp-postgres-server
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8c8790d4e81af44d3fd3ce096806d55e118bd2695040a55ae5faff2bfab2da10
- Leaf
- 0x0080c07f953e6835b884989543300115e0f78d2f6467e281cbff51a17acb90f7
What was observed
{
"endpoints": [
[
"web",
"https://github.com/antonorlov/mcp-postgres-server"
]
],
"name": "PostgreSQL",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-09-14T20:23:00.55789Z",
"status": "active",
"statusChangedAt": "2026-09-14T20:23:00.55789Z",
"updatedAt": "2026-09-14T20:23:00.55789Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "MCP server for PostgreSQL: local, Docker, RDS, Neon, Supabase, or behind an SSH bastion.",
"name": "io.github.antonorlov/mcp-postgres-server",
"packages": [
{
"environmentVariables": [
{
"description": "Full connection string (preferred). Supports sslmode in the URL.",
"format": "string",
"isSecret": true,
"name": "DATABASE_URL",
"placeholder": "postgres://user:password@localhost:5432/mydb?sslmode=require"
},
{
"description": "Database host (fallback when DATABASE_URL is not set).",
"format": "string",
"name": "PG_HOST"
},
{
"default": "5432",
"description": "Database port.",
"format": "number",
"name": "PG_PORT"
},
{
"description": "Database user.",
"format": "string",
"name": "PG_USER"
},
{
"description": "Database password.",
"format": "string",
"isSecret": true,
"name": "PG_PASSWORD"
},
{
"description": "Database name.",
"format": "string",
"name": "PG_DATABASE"
},
{
"choices": [
"false",
"true"
],
"default": "false",
"description": "When true, execute performs writes and reads are sent directly. Off (default) is read-only: execute refuses writes and each read runs in a READ ONLY transaction.",
"format": "boolean",
"name": "PG_ALLOW_WRITE"
},
{
"choices": [
"disable",
"allow",
"prefer",
"require",
"verify-ca",
"verify-full"
],
"description": "TLS mode. require/allow/prefer encrypt without verifying the certificate; verify-ca/verify-full verify it (supply a CA via PG_SSL_CA). Unlike libpq, allow/prefer do not fall back to plaintext, so a server without TLS needs disable.",
"format": "string",
"name": "PG_SSLMODE"
},
{
"description": "Path to a CA certificate file. Setting it by itself implies verify-full.",
"format": "filepath",
"name": "PG_SSL_CA"
},
{
"choices": [
"false",
"true"
],
"default": "false",
"description": "Register the connect_db tool (runtime credential switching).",
"format": "boolean",
"name": "PG_ENABLE_RUNTIME_CONNECT"
},
{
"default": "32768",
"description": "Byte budget for a query result sent to the model. Whole rows are kept while they fit; over the budget returnedRows < rowCount and truncated is true.",
"format": "number",
"name": "PG_MAX_RESULT_BYTES"
},
{
"default": "30000",
"description": "Statement timeout in milliseconds, applied to every session.",
"format": "number",
"name": "PG_STATEMENT_TIMEOUT"
},
{
"default": "10000",
"description": "Timeout in milliseconds for a single connect attempt (raise it for slow links or SSH tunnels).",
"format": "number",
"name": "PG_CONNECT_TIMEOUT"
},
{
"description": "SSH bastion host. Setting it enables tunneling: the server reaches the database only through an SSH tunnel to this host. Needs the ssh2 optional dependency.",
"format": "string",
"name": "PG_SSH_HOST"
},
{
"default": "22",
"description": "SSH bastion port.",
"format": "number",
"name": "PG_SSH_PORT"
},
{
"description": "SSH username.",
"format": "string",
"name": "PG_SSH_USER"
},
{
"description": "Path to a private key file. If unset, auth falls back like ssh: a running agent (SSH_AUTH_SOCK), then a default key (~/.ssh/id_ed25519, id_rsa, id_ecdsa).",
"format": "filepath",
"name": "PG_SSH_PRIVATE_KEY"
},
{
"description": "Passphrase for the private key, if encrypted.",
"format": "string",
"isSecret": true,
"name": "PG_SSH_PASSPHRASE"
},
{
"description": "true to use the ambient agent (SSH_AUTH_SOCK), or an explicit socket path / Windows named pipe.",
"format": "string",
"name": "PG_SSH_AGENT"
},
{
"description": "SSH login password. Opt-in; a key or agent takes precedence. Prefer keys, a bastion often disables password auth.",
"format": "string",
"isSecret": true,
"name": "PG_SSH_PASSWORD"
},
{
"description": "Pinned host-key fingerprint (SHA256:...). Host-key verification is mandatory and set only this way: without it the tunnel refuses to connect. Get it with ssh-keygen -lF host.",
"format": "string",
"name": "PG_SSH_FINGERPRINT",
"placeholder": "SHA256:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
},
{
"default": "15000",
"description": "SSH keepalive interval in ms; the tunnel drops after 3 unanswered keepalives, and the next call reconnects.",
"format": "number",
"name": "PG_SSH_KEEPALIVE_INTERVAL"
}
],
"identifier": "mcp-postgres-server",
"registryBaseUrl": "https://registry.npmjs.org",
"registryType": "npm",
"runtimeHint": "npx",
"transport": {
"type": "stdio"
},
"version": "0.3.1"
}
],
"repository": {
"source": "github",
"url": "https://github.com/antonorlov/mcp-postgres-server"
},
"title": "PostgreSQL",
"version": "0.3.1",
"websiteUrl": "https://github.com/antonorlov/mcp-postgres-server#readme"
}
},
"source": "mcp_registry",
"summary": "MCP server for PostgreSQL: local, Docker, RDS, Neon, Supabase, or behind an SSH bastion."
}What the leaf hashes
{"body":"8c8790d4e81af44d3fd3ce096806d55e118bd2695040a55ae5faff2bfab2da10","id":33313,"kind":"listing","method":"baseline/1","observed_us":1793025368611008,"prev":null,"subject":"mcp_registry:io.github.antonorlov/mcp-postgres-server","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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- 0x90bdd9d40e561d797a16753a816d07fed5b3b77ae6f6b474c4b5c6beeb8e61e9
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- 0x1edd2dc9dd36bef0d66bcca09e9894f11e3093f06b9f8a9284ef28d89ac3a155
- 0x27552701eb5162e9111d06653c360295d04e5cdfe261fe843f9c0fb27ab44c3b
- 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
- 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae