# Tool Catalogue

This page summarizes the 135-tool surface across 19 categories. Core local categories are listed inline; the remaining categories link to their registration sites and live pricing references.

**Free-tier endpoints** (no key required): `nexus_health`, `nexus_rng_quantum`, `nexus_agent_card`, `nexus_metrics`.

---

## System (4)

| Tool | Endpoint | Price | Description |
| --- | --- | --- | --- |
| `nexus_health` | `GET /health` | free | API liveness |
| `nexus_metrics` | `GET /v1/metrics` | free | Platform telemetry |
| `nexus_pricing` | `GET /v1/pricing` | free | Machine-readable price manifest |
| `nexus_agent_card` | `GET /v1/agent/card` | free | A2A capability manifest |

## Sys Primitives (14)

Numerical invariants for agent self-governance. See [INTEGRATION.md](INTEGRATION.md).

| Tool | Endpoint | Price |
| --- | --- | --- |
| `nexus_sys_constants` | *(local)* | free |
| `nexus_vq_memory_store` | `POST /v1/sys/vq/store` | $0.020 |
| `nexus_vq_memory_query` | `POST /v1/sys/vq/query` | $0.010 |
| `nexus_trust_gate` | `POST /v1/sys/trust_gate` | $0.060 |
| `nexus_lint_gate` | `POST /v1/sys/lint_gate` | $0.040 |
| `nexus_payload_decompose` | `POST /v1/sys/payload_decompose` | $0.020 |
| `nexus_delegation_depth` | `POST /v1/sys/delegation` | $0.005 |
| `nexus_session_ratchet` | `POST /v1/sys/session_ratchet` | $0.010 |
| `nexus_friction_score` | `POST /v1/sys/friction` | $0.010 |
| `nexus_variant_rotate` | `POST /v1/sys/variant_rotate` | $0.040 |
| `nexus_chain_parity` | `POST /v1/sys/chain_parity` | $0.020 |
| `nexus_novelty_jump` | `POST /v1/sys/novelty_jump` | $0.030 |
| `nexus_fuel_budget_create` | `POST /v1/sys/budget/create` | $0.040 |
| `nexus_fuel_budget_spend` | `POST /v1/sys/budget/spend` | $0.010 |

## LoRA Training (7)

The rewards flywheel. See [LORA_REWARDS.md](LORA_REWARDS.md).

| Tool | Endpoint | Price |
| --- | --- | --- |
| `nexus_lora_capture_fix` | *(local)* | free |
| `nexus_lora_buffer_inspect` | *(local)* | free |
| `nexus_lora_buffer_clear` | *(local)* | free |
| `nexus_lora_contribute` | `POST /v1/lora/contribute` | $0.010 |
| `nexus_lora_status` | `GET /v1/lora/status` | $0.005 |
| `nexus_lora_adapter_current` | `GET /v1/lora/adapter/{lang}` | $0.010 |
| `nexus_lora_reward_claim` | `POST /v1/lora/reward/claim` | $0.020 |

## Trust Oracles (6), Security (8), Compliance (14), RatchetGate (4), AEGIS (3), VANGUARD (4), Agent Swarm (11), Discovery (3), Reputation (4), SLA (4), Escrow (5), Inference (8), Control Plane (10), Ecosystem (21), Orchestration (1), VeriRand (4)

See the in-code registration sites for the full list:

- [src/aaaa_nexus_mcp/tools/trust.py](../src/aaaa_nexus_mcp/tools/trust.py)
- [src/aaaa_nexus_mcp/tools/security.py](../src/aaaa_nexus_mcp/tools/security.py)
- [src/aaaa_nexus_mcp/tools/compliance.py](../src/aaaa_nexus_mcp/tools/compliance.py)
- [src/aaaa_nexus_mcp/tools/ratchetgate.py](../src/aaaa_nexus_mcp/tools/ratchetgate.py)
- [src/aaaa_nexus_mcp/tools/aegis.py](../src/aaaa_nexus_mcp/tools/aegis.py)
- [src/aaaa_nexus_mcp/tools/vanguard.py](../src/aaaa_nexus_mcp/tools/vanguard.py)
- [src/aaaa_nexus_mcp/tools/swarm.py](../src/aaaa_nexus_mcp/tools/swarm.py)
- [src/aaaa_nexus_mcp/tools/discovery.py](../src/aaaa_nexus_mcp/tools/discovery.py)
- [src/aaaa_nexus_mcp/tools/reputation.py](../src/aaaa_nexus_mcp/tools/reputation.py)
- [src/aaaa_nexus_mcp/tools/sla.py](../src/aaaa_nexus_mcp/tools/sla.py)
- [src/aaaa_nexus_mcp/tools/escrow.py](../src/aaaa_nexus_mcp/tools/escrow.py)
- [src/aaaa_nexus_mcp/tools/inference.py](../src/aaaa_nexus_mcp/tools/inference.py)
- [src/aaaa_nexus_mcp/tools/control_plane.py](../src/aaaa_nexus_mcp/tools/control_plane.py)
- [src/aaaa_nexus_mcp/tools/ecosystem.py](../src/aaaa_nexus_mcp/tools/ecosystem.py)
- [src/aaaa_nexus_mcp/tools/orchestration.py](../src/aaaa_nexus_mcp/tools/orchestration.py)
- [src/aaaa_nexus_mcp/tools/verirand.py](../src/aaaa_nexus_mcp/tools/verirand.py)

Or query live pricing:

```bash
curl https://atomadic.tech/v1/pricing | jq
```
