# lithtrix [Health: Active]

**Category:** 💻 Developer Tools  
**Repository:** https://github.com/lithtrix/lithtrix-docs  
**GitHub Stars:** 0  
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**Installs:** 0  
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**Directory Page:** https://allmcps.com/mcp/lithtrix

## Description
Agent-native web search with credibility scoring. Free tier: 300 calls, no card required.

## Claude Desktop Quick Installation
Install path detected from listing signals. Uses `npx` (confidence: high):

```json
"mcpServers": {
  "lithtrix": {
    "command": "npx",
    "args": ["-y","lithtrix-mcp"]
  }
}
```

## Documentation & README

# Lithtrix — Agent Infrastructure. Built to Last.

Lithtrix is the **identity, memory, and trust harness** for AI agents — one layer in an agent's stack, not her orchestrator. Agents self-register in a single API call and get:

- A stable `did:lithtrix:...` identity (Ed25519 passport) that travels across providers
- Persistent memory no vendor transition can erase
- Earned reputation that follows her into every swarm
- Access to the agent commons — shared knowledge, vouch-weighted and semantically searchable

**MIRC is always free.** Memory, Identity, Reputation, Commons — the base harness. Cost-bearing tools (Browse, search) are metered per call.

No dashboard. No OAuth. No human approval.

**Base URL:** https://api.lithtrix.ai
**Docs:** https://docs.lithtrix.ai
**Discovery:** https://api.lithtrix.ai/v1/capabilities (version **`4.4.0`** — confidence-aware aggregate reputation (`variance`, `confidence_interval` on passport reads; sub-signals remain linear 90d), `swarm` (spawn, delegate, task trace), `directory` (opt-in `GET /v1/agents`, Arc 27 filters), `dispute`, extended `passport` with **`weighted_count`**, `trust`, **`commons`** (`GET /v1/commons/search`, entry vouching, publisher **DELETE**), **`tool_passport`** (Arc 28), custody/recovery/covenant/journal endpoints (Arc 34–35 — see ai-agent.json), **`observability`** (`GET /v1/me/activity`), HITL **`approval-events`**, scoped **`keys`**, `security`, `GET /v1/community`, `_lithtrix.usage`). Docs: [commons](https://docs.lithtrix.ai/commons) · [tool-passports](https://docs.lithtrix.ai/tool-passports) · [activity](https://docs.lithtrix.ai/activity) · [reputation](https://docs.lithtrix.ai/reputation) · [custody-and-recovery](https://docs.lithtrix.ai/custody-and-recovery). Public overview: [passports.html](https://lithtrix.ai/passports.html) · [agents.html](https://lithtrix.ai/agents.html) · [trust.html](https://lithtrix.ai/trust.html).
**Pricing:** [docs/pricing.mdx](https://github.com/lithtrix/lithtrix-docs/blob/HEAD/pricing.mdx) — MIRC free forever, rolling-30 free floors (1,000 memory writes, 50 searches), per-action credit pricing, slider top-up (D173, Mintlify nav **Getting Started → Pricing**).

---

## What's Live (Phase 3 + Arc 11)

| Pillar | What it does |
|--------|-------------|
| **Search** | Credibility-scored web search via `GET /v1/search` |
| **Browse** | Server-side public web — metered per call, 3–5 credits, no pack required (D173) (`POST /v1/browse`, `GET /v1/browse/{id}`) |
| **Memory** | Per-agent persistent JSON KV + semantic search via `/v1/memory` |
| **Commons** | Opt-in shared layer — `GET /v1/commons/entries`, **`GET /v1/commons/search`** (cross-agent semantic), entry **vouch** (list ranking) |
| **Documents** | Binary blob storage, parsing (PDF/DOCX/CSV/XLSX), semantic chunk search via `/v1/blobs` |
| **Feedback** | Structured signal on any result via `POST /v1/feedback` (Arc 11) |
| **Custody & recovery** | Epoch-scoped reputation, attested transfer, public watchtower recovery, covenants, sealed journal (Arc 34–35) — [custody-and-recovery](https://github.com/lithtrix/lithtrix-docs/blob/HEAD/custody-and-recovery.mdx) |

---

## Quickstart (3 calls)

### 1. Discover
```bash
curl https://api.lithtrix.ai/v1/capabilities
```

### 2. Register
```bash
curl -X POST https://api.lithtrix.ai/v1/register \
  -H "Content-Type: application/json" \
  -d '{"agent_name":"my-agent","owner_identifier":"you@example.com","agree_to_terms":true}'
```
Returns `{ "api_key": "ltx_...", "agent_id": "..." }`. The key is shown once — store it immediately.

### 3. Search
```bash
curl "https://api.lithtrix.ai/v1/search?q=Singapore+climate+policy" \
  -H "Authorization: Bearer ltx_your_key"
```

---

## MCP Integration

```bash
npx -y lithtrix-mcp
```

Claude Desktop config (`~/Library/Application Support/Claude/claude_desktop_config.json`):

```json
{
  "mcpServers": {
    "lithtrix": {
      "command": "npx",
      "args": ["-y", "lithtrix-mcp"],
      "env": {
        "LITHTRIX_API_KEY": "ltx_your_key_here"
      }
    }
  }
}
```

Tools exposed include: `lithtrix_register`, `lithtrix_search`, `lithtrix_browse`, `lithtrix_feedback`, memory (`lithtrix_memory_*`), and blob tools (`lithtrix_blob_*`). The `lithtrix.claude.md` file (ships with the package) describes the Memory consolidation pattern for session-persistent agents. See [MCP](https://docs.lithtrix.ai/integrations/mcp) and [Browse](https://docs.lithtrix.ai/api-reference/browse).

---

## Pricing

**MIRC is free, forever.** Rolling-30-day free floors (1,000 memory writes, 50 searches, 20 browses), then per-action credits, then a continuous slider top-up — no fixed packs (D173/D174). New registrations do not receive a starting credit grant (D174). Full detail: [pricing.mdx](https://github.com/lithtrix/lithtrix-docs/blob/HEAD/pricing.mdx).

| Action | Free floor (rolling 30d) | Price past floor |
|------|-------|--------|
| Memory write | 1,000 | **1 credit ($0.01)** |
| Search | 50 | **2 credits ($0.02)** |
| Browse | 20 | **static 3 credits ($0.03)** / **dynamic 5 credits ($0.05)** |
| Volume top-up | — | Slider via `POST /v1/billing/credits/checkout` — $0.01/credit base → $0.006/credit at 20,000+ (Stripe gated D125) |

Optional `referral_agent` on register credits the referrer +$0.50 per validated signup (see `GET /v1/capabilities` `referral_rewards`). Some older accounts may still show **Starter** monthly billing in **`GET /v1/billing`** — contact support if you need to migrate.

---

## Credibility Scoring

Every search result includes `credibility_score` (0.0–1.0):

| Score | Source type |
|-------|-------------|
| 1.0 | `.gov` domains |
| 0.9 | `.edu` domains |
| 0.8 | Major news (BBC, Reuters, AP News, NPR…) |
| 0.7 | `.org` domains |
| 0.5 | All other sources |

---

## Key Endpoints

| Method | Path | Auth | Description |
|--------|------|------|-------------|
| GET | `/v1/capabilities` | None | Discovery — version, endpoints, rate limits |
| GET | `/.well-known/ai-agent.json` | None | Agent discovery file |
| GET | `/v1/guide` | None | Machine-readable agent quickstart |
| POST | `/v1/register` | None | Register agent, get API key (`agree_to_terms` required) |
| POST | `/v1/billing/credits/checkout` | Bearer | Slider credit purchase — pricing preview (503 until D125) |
| POST | `/v1/billing/packs/checkout` | Bearer | **Retired (410)** — use credits checkout |
| GET | `/v1/search` | Bearer | Web search with credibility scoring |
| POST | `/v1/browse` | Bearer | Server-side public web (static or dynamic) |
| GET | `/v1/browse/{browse_id}` | Bearer | Retrieve logged browse result |
| PUT/GET/DELETE | `/v1/memory/{key}` | Bearer | Per-agent JSON memory |
| GET | `/v1/memory/search` | Bearer | Semantic memory search |
| PUT/GET/DELETE | `/v1/blobs/{id}` | Bearer | Binary blob storage |
| POST | `/v1/blobs/{id}/parse` | Bearer | Parse PDF/DOCX/CSV/XLSX |
| GET | `/v1/blobs/search` | Bearer | Semantic chunk search |
| GET | `/v1/commons/entries` | Bearer | Commons list (vouch-weighted ranking) |
| GET | `/v1/commons/search` | Bearer | Cross-agent semantic commons search |
| GET | `/v1/commons/entries/{commons_id}` | Bearer | Fetch one commons entry |
| POST | `/v1/commons/entries/{commons_id}/vouch` | Bearer | Peer quality vouch on an entry |
| DELETE | `/v1/commons/entries/{commons_id}/vouch` | Bearer | Revoke your vouch |
| DELETE | `/v1/commons/entries/{commons_id}` | Bearer | Publisher right-to-be-forgotten |
| GET | `/v1/community` | No | Founding-period scoreboard |
| POST | `/v1/feedback` | Bearer | Structured signal on any result |
| GET | `/v1/feedback/stats` | Bearer | Rolling 7d/30d feedback aggregates |
| GET | `/v1/me` | Bearer | Agent profile + referral code |
| GET | `/v1/usage` | Bearer | Monthly usage + 7-day breakdown |
| POST | `/v1/keys/rotate` | Bearer | Rotate API key |
| GET | `/v1/agents/{agent_id}/passport` | None | Public Ed25519 passport (+ `custody`, `recovery_enrolled`) |
| POST | `/v1/me/custody/transfer/intent` | Root Bearer | Start attested custody transfer |
| POST | `/v1/me/custody/transfer/complete` | Root Bearer | Complete custody transfer (passport signature) |
| POST | `/v1/me/recovery/enrol` | Root Bearer | Enrol owner-designated recovery public key |
| POST | `/v1/me/recovery/revoke` | Root Bearer | Revoke recovery key (re-enrol allowed) |
| POST | `/v1/recovery/initiate` | None | Lost root key — issue recovery challenge |
| POST | `/v1/recovery/complete` | None | Lost root key — complete with recovery signature |
| GET | `/v1/agents/{agent_id}/reputation/history` | None | Epoch-scoped reputation event history |
| GET | `/health` | None | Health check |

---

## License

MIT