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PointSav Documentation

The engineering library for the PointSav platform — operating systems and services for regulated businesses that own their data, their AI, and their record-keeping outright. Where the monorepo holds the code, this wiki holds the reasoning: architecture, services, security, and the governance commitments that bind future development.

PointSav Digital Systems

Code for machines first

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84af7771 · PointSav Digital Systems ·

editorial(substrate): fix code-for-machines-first MCP method name (Track-B) — confirmed real methods are initialize/tools:list/tools:call/resources:list/resources:read (service-fs/src/mcp.rs), no 'describe' method exists; fixed both instances, register-clean EN+ES; note: mcp-substrate-protocol.md carries the same imprecise shorthand, out of this batch's scope

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@@ -24,15 +24,7 @@ The platform uses a consistent set of formats across all surfaces:

Inter-service communication uses MCP (see [[mcp-substrate-protocol]]). The audit ledger uses JSONL with schema versioning. Seed taxonomies use JSON. Service configuration uses TOML or YAML. Conventions and documentation use Markdown with structured frontmatter. Per-tenant configuration uses YAML.

Every artefact is machine-mutable and machine-introspectable. The MCP `describe` endpoint on any service returns the current tool catalog in a machine-readable form. There is no configuration surface that requires a human operator to interpret undocumented fields.

**Correction (2026-08-02, verified against canonical `origin/main`):** the real MCP
method names (e.g. `service-fs/src/mcp.rs`) are `initialize`, `tools/list`,
`tools/call`, `resources/list`, `resources/read` — there is no `describe` method.
Same imprecise shorthand also appears in this article's own cross-reference,
[[mcp-substrate-protocol]]. The underlying claim (every service exposes a
machine-readable tool catalog) is directionally accurate; only the specific method
name is wrong. **Flagged, not resolved.**
Every artefact is machine-mutable and machine-introspectable. The MCP `tools/list` method on any service returns the current tool catalog in a machine-readable form. There is no configuration surface that requires a human operator to interpret undocumented fields.

## Why this matters

@@ -52,7 +44,7 @@ Topic and guide documentation follows the same pattern. Frontmatter is structure

## Composition

This discipline is the structural claim that [[mcp-substrate-protocol]] realizes at the wire level. Every service exposes its contract through MCP `describe`, which returns a machine-readable tool catalog. Human-facing surfaces consume this catalog the same way any automated client would.
This discipline is the structural claim that [[mcp-substrate-protocol]] realizes at the wire level. Every service exposes its contract through MCP `tools/list`, which returns a machine-readable tool catalog. Human-facing surfaces consume this catalog the same way any automated client would.

## See also
Important Information

Corporate structure. PointSav Digital Systems ("PointSav") is currently a trade name of Woodfine Capital Projects Inc. ("Woodfine"), planned to become a wholly-owned Woodfine subsidiary upon incorporation. PointSav does not itself offer, sell, or solicit any security. Any securities offering associated with Woodfine's real-property direct-hold solutions is made exclusively by Woodfine, and only by means of the applicable Private Placement Memorandum.

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