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mcp-trino by tuannvm MCP Server

MCP server for Trino distributed SQL query engine access

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled mcp-trino by tuannvm yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as https://github.com/tuannvm/mcp-trino/releases/download/v2.2.1/mcp-trino_2.2.1_darwin_arm64.tar.gz on mcpb. Runs locally.

Reviewed GitHub reports

27 GitHub reports passed Pod's relevance review. This can include external user reports, maintainer-confirmed bugs, and concrete feature gaps. It is evidence to inspect, not a count of distinct defects. Showing 12.

Most discussed

Enhancement Request: Support Trino OAuth2 Authentication

Our Trino instance uses OAuth2 authentication by setting the externalAuthentication JDBC property to true.

Are there plans for the MCP to support this type of authentication?

Thank you

Read the thread · 2025-06-11 · open · external user · 9 comments

SSL Verify

is it possible to skip TLS verify for internal dev and testing? What would be the env variable to use for this?

setting TRINO_SSL_INSECURE=true does not work and the cert is still verified ( Eg:- I get hostname verification errors

docker run -i --rm -p 8080:8080 -e -e TRINO_SSL_INSECURE=true -e MCP_TRANSPORT=http -e TRINO_ALLOW_WRITE_QUERIES=false -e TRINO_HOST=mytrinoserver -e TRINO_PORT=443 -e TRINO_USER=user -e TRINO_PASSWORD=password -e TRINO_SCHEME=https ghcr.io/tuannvm/mcp-trino:l

[Read the thread](https://github.com/tuannvm/mcp-trino/issues/88) · 2025-08-25 · open · external user · 6 comments

### Token validation failed

I can connect to mcp server, but token verification failed.

OAuth: Validating token for tool list_catalogs: hJYK6wSu5afG9JMBjK0QOHddo+q69rnzYF9OGR7EDQM=
2025/09/05 10:56:56 OAuth: Token validation failed for tool list_catalogs: failed to parse and validate token: token is malformed: token contains an invalid number of segment

[Read the thread](https://github.com/tuannvm/mcp-trino/issues/91) · 2025-09-05 · closed · external user · 2 comments

### Go Security Issue

Run go install golang.org/x/vuln/cmd/govulncheck@latest
go: downloading golang.org/x/vuln v1.1.4
go: downloading golang.org/x/telemetry v0.0.0-20240522233618-39ace7a40ae7
go: downloading golang.org/x/sync v0.10.0
go: downloading golang.org/x/mod v0.22.0
go: downloading golang.org/x/tools v0.29.0
=== Symbol Results ===

Vulnerability #1: GO-2025-3849
    Incorrect results returned from Rows.Scan in database/sql
  More info: https://pkg.go.dev/vuln/GO-2025-3849
  Standard library
    Found in: dat

[Read the thread](https://github.com/tuannvm/mcp-trino/issues/76) · 2025-08-11 · closed · 2 comments

### OAuth doesn't work with Claude Code

I tried both Google OAuth and HMAC OAuth. The configurations work in Cursor, but not in Claude Code.

Working Cursor config:

{ "mcpServers": { "mcp-trino-https": { "url": "https://remote-server.example.com:9096/sse", "headers": { "Authorization": "Bearer " } } } }


To note: Not using in localhost mode, the MCP Go Server sits on another publically accessible machine

[Read the thread](https://github.com/tuannvm/mcp-trino/issues/75) · 2025-08-07 · closed · external user · 2 comments

### Most recent

### OAuth scopes not configurable → `scopes_supported` omitted → Google (and strict IdPs) reject authorization with "Missing required parameter: scope"

## Summary

When OAuth is enabled with an IdP that **requires a `scope` parameter** on the authorization request (e.g. Google), the interactive OAuth flow fails: mcp-trino never advertises `scopes_supported` in its RFC 9728 protected-resource metadata and provides no way to configure OAuth scopes. MCP clients (e.g. Claude Desktop/Code) derive the scopes to request from that metadata — with it absent they send **no `scope`**, and Google rejects the request:

Error 400: invalid_request — "Miss

Read the thread · 2026-07-21 · open · external user · 0 comments

feat: support configurable OIDC scopes via OIDC_SCOPES env var

Problem

When using OAUTH_MODE=proxy with providers like Okta or Azure AD that require offline_access to issue refresh tokens, there is no way to configure which OIDC scopes mcp-trino requests. The scopes are hardcoded inside oauth-mcp-proxy, so users cannot add the scopes their IdP needs.

This blocks refresh-token-based flows in proxy mode — the access token expires and the client must re-authenticate from scratch.

Proposed Solution

Introduce an OIDC_SCOPES environment variable

Read the thread · 2026-06-05 · open · external user · 0 comments

Private security disclosure route?

Hi, I have a security report for this project and did not find an enabled GitHub private vulnerability reporting route or SECURITY.md contact.

Could a maintainer enable GitHub private vulnerability reporting or share the preferred private disclosure channel? I can provide the full technical details there.

Thanks.

Read the thread · 2026-05-20 · open · external user · 0 comments

feat: audit logging with OAuth user identity

Context

MCP Trino with OAuth enabled knows WHO is running each query (email, groups, roles from JWT). Currently this identity is used only for impersonation — it should also be logged for audit purposes.

Desired behavior

Every query execution logs:

  • User email/subject from JWT
  • Groups from JWT
  • Query text (truncated to 200 chars)
  • Timestamp
  • Duration
  • Row count
  • Success/failure

Log format: structured JSON via slog (already used throughout codebase).

Example:

{"level":"I

[Read the thread](https://github.com/tuannvm/mcp-trino/issues/201) · 2026-05-07 · closed · external user · 0 comments

### feat: group-based catalog allowlist

## Context

With Keycloak groups mapped to JWT `groups` claim, MCP Trino can restrict which Trino catalogs each group can access.

## Current behavior

All authenticated users see all catalogs (`No Trino allowlists configured, all catalogs, schemas, and tables are accessible`).

## Desired behavior

Configure catalog access per group via environment variable or config:

TRINO_GROUP_CATALOG_MAP=data-analysts:lake_curated,lake_landing;finance:finance_prd,finance_sbx;data-engineers:*;engineerin

Read the thread · 2026-05-07 · closed · external user · 0 comments

feat: role-based write query enforcement via JWT claims

Context

MCP Trino has TRINO_ALLOW_WRITE_QUERIES as a global toggle. With Keycloak OAuth now active (lastro-internal realm), we can enforce write access per-user based on JWT role claims.

Current behavior

  • TRINO_ALLOW_WRITE_QUERIES=false → blocks ALL write queries for ALL users
  • TRINO_ALLOW_WRITE_QUERIES=true → allows ALL write queries for ALL users

Desired behavior

  • Users with mcp-readonly role (default) → read-only queries only
  • Users with mcp-admin role → write qu

Read the thread · 2026-05-07 · closed · external user · 0 comments

MCP in Claude desktop failing with failed to verify signature: failed to verify id token signature

HI

I have beed to trying to add this trino mcp in claude desktop with oauth flow using azure as provider.

I have set below env variables in my deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: trino-mcp
  namespace: etl
spec:
  replicas: 1
  selector:
    matchLabels:
      app: trino-mcp
  template:
    metadata:
      labels:
        app: trino-mcp
    spec:
      containers:
        - name: trino-mcp
          image: ghcr.io/tuannvm/mcp-trino:latest
          ports:
 

[Read the thread](https://github.com/tuannvm/mcp-trino/issues/191) · 2026-04-22 · open · external user · 0 comments

[See all 22 reports Pod holds for mcp-trino by tuannvm](/mcp/mcp-trino-by-tuannvm/issues) — of 27 qualified upstream.

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