Heroku (official)
Last tested 2026-10-22
Score 100/100 · Last tested 2026-10-22 · Version tested 1.2.12 · Package @heroku/mcp-server · Repo heroku/heroku-mcp-server
Summary: Heroku (official) completed an MCP handshake without credentials and exposed 33 tools.
Test results
| Test | Result | Points | Evidence |
|---|---|---|---|
| install | pass | 20 | npm install @heroku/mcp-server (Node 20, Linux) succeeded in 2s. |
| handshake | pass | 30 | MCP initialize + tools/list over stdio succeeded with no credentials; 33 tools listed in 19.0s. |
| maintenance | pass | 25 | Repo pushed 0 days before test; 82 GitHub stars. |
| docs | pass | 15 | README over 3,000 chars; install instructions present; mcpServers config example present. Automated check of the package's own README (README shipped in npm package). |
| license | pass | 10 | Apache-2.0 (OSI-approved). |
Local-model readiness
Schema context cost: ~4,653 tokens for 33 tools (21,127 bytes) · about 57% of an 8k context. Method: tiktoken cl100k_base over compact JSON of name+description+inputSchema (approximate).
Small-model friendly (schema heuristic, not a model result): medium.
Small-model task runs: Not yet tested.
Not tested
We did not test behavior with real credentials, security, or performance under load. These are planned; see methodology.
Tools listed
list_apps, get_app_info, create_app, rename_app, maintenance_on, maintenance_off, get_app_logs, list_private_spaces, list_teams, list_addons, get_addon_info, create_addon, list_addon_services, list_addon_plans, pg_psql, pg_info, pg_ps, pg_locks, pg_outliers, pg_credentials, pg_kill, pg_maintenance, pg_backups, pg_upgrade, ps_list, ps_scale, ps_restart, pipelines_create, pipelines_promote, pipelines_list, pipelines_info, deploy_to_heroku, deploy_one_off_dyno
Config used in our test
{
"mcpServers": {
"heroku-official": {
"command": "npx",
"args": [
"-y",
"@heroku/mcp-server"
]
}
}
}FAQ
Is Heroku (official) deprecated?
No. @heroku/mcp-server was not deprecated or archived when we last tested it on 2026-10-22.
What replaces Heroku (official)?
Nothing; Heroku (official) is not deprecated as of 2026-10-22.
Does Heroku (official) need an API key?
No. It completed an MCP handshake with no credentials and listed 33 tools.
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