Agent Audit vs Har

A side-by-side look at the Agent Audit and Har MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Agent Audit logoAgent AuditCoding Agents · Local subprocess (stdio)Turn Lighthouse audits into coding-agent fix packs for Claude Code, Cursor, and Copilot.53GoodAuth: not declaredHar logoHarCoding Agents · Local subprocess (stdio)HAR: open agent harness CLI and MCP server for coding agents, isolated worktrees, and software-factory workflows52GoodAuth: no auth required

Verdict: choose Agent Audit for coding agents work as a local process; choose Har for coding agents as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Agent Audit logoChoose Agent Audit when

  • You need dedicated capabilities in the Coding Agents domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: LIGHTHOUSE_MCP_ALLOW_LOCALHOST.
  • You want tools like analyze_website_performance.
Explore Agent Audit

Har logoChoose Har when

  • You need dedicated capabilities in the Coding Agents domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore Har

Feature & specification comparison

Rows where the two servers differ are marked.

SpecAgent Audit logoAgent AuditHar logoHar
CategoryCoding AgentsCoding Agents
Quality signal53/100 · Good52/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsLIGHTHOUSE_MCP_ALLOW_LOCALHOSTNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars4128
Directory activity 1 views 0 installs 0 upvotes 2 views 0 installs 0 upvotes
Tools1Not listed

Tools & capabilities

Agent Audit tools 1

  • analyze_website_performanceRuns Lighthouse and site intelligence against a target URL:

Har tools

No tool names declared yet. Check the project README from the listing page.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Agent Audit

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "agent-audit": {
      "command": "npx",
      "args": [
        "-y",
        "@fullstackdegen/agent-audit"
      ],
      "env": {
        "LIGHTHOUSE_MCP_ALLOW_LOCALHOST": "YOUR_LIGHTHOUSE_MCP_ALLOW_LOCALHOST_HERE"
      }
    }
  }
}

Har

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "osfactory-har": {
      "command": "npx",
      "args": [
        "-y",
        "@osfactory/har"
      ]
    }
  }
}

Frequently asked questions

Agent Audit is categorized under Coding Agents and uses a local stdio subprocess. Har belongs to Coding Agents and uses a local stdio subprocess. Pick Agent Audit for coding agents work and Har for coding agents.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Agent Audit has no declared pricing — check the project's own site. Har is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add agent-audit and osfactory-har as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Agent Audit has a quality signal of 53/100 (Good) with 1 views, 0 installs and 4 GitHub stars. Har has 52/100 (Good) with 2 views, 0 installs and 128 GitHub stars.