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20 days ago

glama

mcp-witness

Cryptographic proof of every AI decision. An immutable, verifiable audit trail MCP server.

→ edwiniac/mcp-witness · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 9 credentials: PINATA_API_KEY, PINATA_API_SECRET, MCP_WITNESS_JWT_PUBLIC_KEY, MCP_WITNESS_JWT_PRIVATE_KEY, MCP_WITNESS_API_KEY, MCP_WITNESS_ENCRYPTION_KEY, MCP_WITNESS_HMAC_KEY, MCP_WITNESS_SIGNING_KEY, MCP_WITNESS_REQUIRE_PERSISTENT_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configTSA_URL

🔐 secretPINATA_API_KEY

🔐 secretPINATA_API_SECRET

🔐 secretMCP_WITNESS_JWT_PUBLIC_KEY

🔐 secretMCP_WITNESS_JWT_PRIVATE_KEY

configMCP_WITNESS_JWT_MAX_AGE

configMCP_WITNESS_JWT_ISSUER

configMCP_WITNESS_JWT_AUDIENCE

configMCP_WITNESS_DEFAULT_ACCESS

configMCP_WITNESS_REQUIRE_AUTH

configMCP_WITNESS_API_KEYS

🔐 secretMCP_WITNESS_API_KEY

configMCP_WITNESS_READ_ONLY

configMCP_WITNESS_ALLOW_ANON_WRITES

configMCP_WITNESS_DB— "": "~/.mcp-witness/witness.db",

configMCP_WITNESS_CHECKPOINT_INTERVAL— "": "1000",

configMCP_WITNESS_DASHBOARD_PORT

configMCP_WITNESS_DASHBOARD_ORIGIN

configMCP_WITNESS_TRUST_STORE

configMCP_WITNESS_LOG_FORMAT— "": "json"

configMCP_WITNESS_LOG_LEVEL

configMCP_WITNESS_ANCHOR_STRICT

🔐 secretMCP_WITNESS_ENCRYPTION_KEY— Encryption at rest is opt-in. Set (32-byte hex) to

configMCP_WITNESS_DEK

🔐 secretMCP_WITNESS_HMAC_KEY— 2. Configure HMAC: export =$(openssl rand -hex 32)

🔐 secretMCP_WITNESS_SIGNING_KEY— 1. Set a signing key: export =$(openssl rand -hex 32)

configMCP_WITNESS_ALLOW_INTERNAL_WEBHOOKS

configMCP_WITNESS_EXPORT_DIR

configMCP_WITNESS_BACKEND— e =postgresql \

configMCP_WITNESS_PG_URL— e =postgresql://user:pass@host:5432/db \

configMCP_WITNESS_METRICS_HOST

🔐 secretMCP_WITNESS_REQUIRE_PERSISTENT_KEY— (or =false to keep ephemeral keys).

configMCP_WITNESS_FAIL_ON_STARTUP_VERIFICATION_FAILURE

configMCP_WITNESS_REQUIRE_HMAC

configMCP_WITNESS_AUTO_ANCHOR— "": "false",

configMCP_WITNESS_CLEANUP_INTERVAL

configMCP_WITNESS_MAX_PAYLOAD_SIZE

configMCP_WITNESS_ORG_ID

configMCP_WITNESS_PG_POOL_MIN

configMCP_WITNESS_PG_POOL_MAX

configMCP_WITNESS_WEBHOOK_URL— "": "https://alerts.example.com/witness",

configMCP_WITNESS_SLACK_WEBHOOK_URL

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/edwiniac-mcp-witness-1t1p83)](https://m8ven.ai/mcp/edwiniac-mcp-witness-1t1p83)

commit: 21459afc3255eafa45afb36dd95c38d50f1c4067

code hash: 0c7d079c9d8bb27abeb55878858cc0608977bf56322992a95d6f9209c0e59bf9

verified: 6/17/2026, 11:31:39 AM

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