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rebar for Grok

io.github.navapbc/rebar

Event-sourced ticket tracker + Jira reconciler, exposed as a Python library, CLI, and MCP server.

client:Grok transport:stdio runtime:pypi

Install rebar in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen.

{
  "mcpServers": {
    "rebar": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nava-rebar"
      ],
      "env": {
        "REBAR_ROOT": "<REBAR_ROOT>",
        "REBAR_MCP_READONLY": "<REBAR_MCP_READONLY>",
        "REBAR_MCP_ALLOW_LLM": "<REBAR_MCP_ALLOW_LLM>",
        "REBAR_MCP_ALLOW_JIRA_SYNC": "<REBAR_MCP_ALLOW_JIRA_SYNC>",
        "REBAR_MCP_TRANSPORT": "<REBAR_MCP_TRANSPORT>",
        "REBAR_MCP_HTTP_HOST": "<REBAR_MCP_HTTP_HOST>",
        "REBAR_MCP_HTTP_PORT": "<REBAR_MCP_HTTP_PORT>",
        "REBAR_MCP_HTTP_PATH": "<REBAR_MCP_HTTP_PATH>",
        "REBAR_MCP_HTTP_ALLOWED_HOSTS": "<REBAR_MCP_HTTP_ALLOWED_HOSTS>",
        "REBAR_MCP_HTTP_ALLOWED_ORIGINS": "<REBAR_MCP_HTTP_ALLOWED_ORIGINS>",
        "REBAR_MCP_HTTP_TLS_AT_EDGE": "<REBAR_MCP_HTTP_TLS_AT_EDGE>",
        "REBAR_MCP_ALLOW_UNAUTHENTICATED_HTTP": "<REBAR_MCP_ALLOW_UNAUTHENTICATED_HTTP>",
        "REBAR_MCP_AUTH_ENABLED": "<REBAR_MCP_AUTH_ENABLED>",
        "REBAR_MCP_AUTH_STRATEGIES": "<REBAR_MCP_AUTH_STRATEGIES>",
        "REBAR_MCP_AUTH_ISSUER_URL": "<REBAR_MCP_AUTH_ISSUER_URL>",
        "REBAR_MCP_AUTH_RESOURCE_SERVER_URL": "<REBAR_MCP_AUTH_RESOURCE_SERVER_URL>",
        "REBAR_MCP_AUTH_REQUIRED_SCOPES": "<REBAR_MCP_AUTH_REQUIRED_SCOPES>",
        "REBAR_MCP_AUTH_STATIC_TOKENS_FILE": "<REBAR_MCP_AUTH_STATIC_TOKENS_FILE>",
        "REBAR_MCP_AUTH_JWT_JWKS_URI": "<REBAR_MCP_AUTH_JWT_JWKS_URI>",
        "REBAR_MCP_AUTH_JWT_ISSUER": "<REBAR_MCP_AUTH_JWT_ISSUER>",
        "REBAR_MCP_AUTH_JWT_ALGORITHMS": "<REBAR_MCP_AUTH_JWT_ALGORITHMS>",
        "REBAR_MCP_AUTH_JWT_LEEWAY": "<REBAR_MCP_AUTH_JWT_LEEWAY>",
        "REBAR_MCP_AUTH_JWT_JWKS_REFETCH_COOLDOWN": "<REBAR_MCP_AUTH_JWT_JWKS_REFETCH_COOLDOWN>",
        "REBAR_MCP_AUTH_JWT_JWKS_TIMEOUT": "<REBAR_MCP_AUTH_JWT_JWKS_TIMEOUT>",
        "REBAR_MCP_AUTH_JWT_EXPECTED_TYP": "<REBAR_MCP_AUTH_JWT_EXPECTED_TYP>",
        "REBAR_MCP_AUTH_JWT_ALLOW_PRIVATE_JWKS_HOST": "<REBAR_MCP_AUTH_JWT_ALLOW_PRIVATE_JWKS_HOST>",
        "REBAR_MCP_AUTH_INTROSPECTION_ENDPOINT": "<REBAR_MCP_AUTH_INTROSPECTION_ENDPOINT>",
        "REBAR_MCP_AUTH_INTROSPECTION_CLIENT_ID": "<REBAR_MCP_AUTH_INTROSPECTION_CLIENT_ID>",
        "REBAR_MCP_AUTH_INTROSPECTION_CLIENT_SECRET_ENV": "<REBAR_MCP_AUTH_INTROSPECTION_CLIENT_SECRET_ENV>",
        "REBAR_MCP_AUTH_INTROSPECTION_ALLOW_PRIVATE_HOST": "<REBAR_MCP_AUTH_INTROSPECTION_ALLOW_PRIVATE_HOST>",
        "REBAR_MCP_AUTH_INTROSPECTION_ALLOW_MISSING_AUD": "<REBAR_MCP_AUTH_INTROSPECTION_ALLOW_MISSING_AUD>",
        "REBAR_MCP_AUTH_PROXY_SECRET_ENV": "<REBAR_MCP_AUTH_PROXY_SECRET_ENV>",
        "REBAR_MCP_AUTH_PROXY_SECRET_HEADER": "<REBAR_MCP_AUTH_PROXY_SECRET_HEADER>",
        "REBAR_MCP_AUTH_PROXY_IDENTITY_HEADER": "<REBAR_MCP_AUTH_PROXY_IDENTITY_HEADER>",
        "REBAR_MCP_AUTH_PROXY_SCOPES": "<REBAR_MCP_AUTH_PROXY_SCOPES>",
        "REBAR_MCP_AUTH_CUSTOM_IMPORT": "<REBAR_MCP_AUTH_CUSTOM_IMPORT>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

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