Kayos bc538a71fb docs: scrub remaining internal repo + tooling references

- README.md: drop "first Sulkta Rust project — workout for crafting-
  table's Rust toolchain" paragraph + the `crafting-table build aldabra`
  recipe. Both reference non-public Sulkta-internal infrastructure.
- Dockerfile: drop "Built nightly on Lucy (see lucy-infra/scripts/
  nightly-builds.sh)" comment + the `lucy-registry:5000/aldabra/mcp`
  internal image-name advertisement.
- Cargo.toml: drop the comment block referencing the deleted
  `docs/internal-build-rewrites.md` + `crafting-table + Lucy + dev
  hosts` Sulkta-internal-builds note. The patch block stands on its
  own.

2026-05-10 20:51:21 -07:00

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aldabra

Rust-native Cardano lite wallet with an MCP-server interface — built for LLM-first usage (send, receive, mint, Plutus interaction).

Status: Phase 1 scaffold (2026-05-04). Compiles, structure in place, real wallet primitives still landing. See ROADMAP.md.

Why

The existing Cardano MCP servers are either read-only doc gateways (Jimmyh-world/Cardano_MCP) or built on Blockfrost (web3-mcp) which is a centralized API we deliberately don't depend on. We want a wallet that talks directly to Koios + Ogmios endpoints — public, self- hosted, or whatever the operator points it at.

Architecture

Three crates in a Cargo workspace:

Crate	Responsibility
`aldabra-core`	Pure crypto + types. Mnemonic → root key (CIP-3), root → payment + stake key (CIP-1852), address construction, signing. No I/O, no network. This is the security boundary.
`aldabra-chain`	Pluggable backends for chain queries. `ChainBackend` trait, with Koios as the phase-1 implementation. Ogmios + submission paths in phase 2.
`aldabra-mcp`	Binary. MCP server speaking stdio. Glues core + chain together, exposes tools to the LLM client.

            ┌─────────────────────────────┐
LLM client  │       aldabra-mcp (bin)      │  stdio
─────────►  │   tool handlers, lifecycle  │  ────►
            └──────────┬──────────────────┘
                       │
              ┌────────┴────────┐
              ▼                 ▼
       ┌──────────────┐  ┌──────────────┐
       │ aldabra-core  │  │ aldabra-chain │
       │ keys, sign   │  │ Koios/Ogmios │
       └──────────────┘  └──────────────┘

MCP tools (target)

Phase 1:

wallet.address — derived base address at account 0, index 0
wallet.balance — ADA + native asset balance at the wallet's address
wallet.utxos — list UTXOs

Phase 2:

wallet.send — build, sign, submit a payment (ADA or native)
wallet.tx_status — poll a submitted tx hash

Phase 3:

wallet.mint — mint a CIP-25 / CIP-68 native asset
wallet.policy.create — generate a policy script (timelock, multisig)

Phase 4:

wallet.script.attach — attach an inline datum + reference script
wallet.script.spend — spend a Plutus-locked UTXO with redeemer
wallet.stake.delegate — delegate to a pool

Build

# Requires rustc 1.75+
cargo build --release

Run

# Direct invocation (smoke test only — does nothing useful in phase 1)
./target/release/aldabra

# As an MCP server registered with Claude Code:
# add to ~/.claude.json:
#   "aldabra": {
#     "command": "/path/to/aldabra",
#     "env": {
#       "ALDABRA_DATA": "/mnt/cache/appdata/aldabra"
#     }
#   }

Security model

Mnemonic source: interactive bootstrap on first run, paste once, encrypted at rest with age. Never written to disk in plaintext.
Derived keys: in-memory only, ZeroizeOnDrop on every container.
Network exposure: stdio MCP transport — never opens a TCP socket. Only the spawning client process can reach it.
Multi-network: mainnet by default, but --network preview / --network preprod for testing without real ADA.

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