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Product context for humans and agents

codemix is authoritative product context that makes sure agents and humans always build the right thing.

Capture what the product should do, then use codemix to guide tasks, agent briefs, and PR reviews. Evolve the model over time to evolve the product itself.

Keep your existing stack. codemix provides the context layer.

CursorClaude CodeCodexCopilotGitHubLinearJiraNotionConfluence
$ codemix ask "Who can invite teammates and what are the constraints?"
Team invitations follow admin-only rules:
Only team admins can send invitations
Invites expire after 7 days
Existing users are added directly (no email sent)
Blocked domains → "Domain not allowed" error
Sources: invite-teammates.md, edge-cases.md

The problem

Teams and agents ship fast, but context drifts.

Speed is not the problem. Shared understanding is. When context is fragmented, humans and agents make different decisions and behavior drifts from product intent.

  • Specs drift from implementation
  • Agents code from partial context
  • PRs pass tests but violate business rules
  • Teams keep re-deciding the same product logic

The fix

One authoritative context for product behavior.

codemix unifies specs, decisions, and rules so humans and agents build against the same source of truth.

One context. Fewer wrong builds.

Expressive

Write in markdown in any human language.

Composable

Model features, flows, rules, constraints, and decisions.

Progressive

Stay high-level where you can, get precise where it matters.

Compiled

Generate semantic tasks and scoped agent briefs tied to meaning.

Verified

Check PRs against intent, not just syntax.

One source of truth

Write context once. Execute it everywhere.

1

Context-rich briefs

Generate implementation-ready briefs for any coding agent.

2

Semantic tasks

Create issue-ready tasks for Linear, Jira, or GitHub Issues.

3

Living specs

Keep specs queryable, current, and connected to decisions.

4

PR verification

Get clear reasoning when behavior diverges from intent.

Progressive detail

Write at the level of detail you have today.

Start with intent. Add constraints as decisions become real. codemix supports how product teams actually work: iterative, not all-or-nothing.

# Invite teammates

- Team admins can invite teammates by email
- Only admins can invite
- Invite expires after 7 days
- If user already exists, add directly (no invite email)
## Edge cases

- Blocked domain -> show "Domain not allowed"
- Existing access -> show "Already a member"
- Expired invite -> show "Invite expired" + resend action

Natural-language specs

Write specs in any human language.

Teams write specs in the language they naturally use. codemix treats that natural-language spec as authoritative product context for tasks, agent briefs, and verification.

# Flujo: Restablecer contraseña

- El usuario solicita restablecimiento por correo
- El enlace expira en 15 minutos
- Si el correo no existe, mostrar el mismo mensaje (no filtrar usuarios)

How codemix works

  1. 1

    Import relevant context

    Connect Notion, Confluence, Linear, Jira, support signals, and GitHub so codemix pulls only the slices that matter.

  2. 2

    Typecheck intent with an interview

    codemix asks the questions strong teams ask early:

    • What happens when this fails?
    • Does plan tier change this behavior?
    • What exact error should users see?
    • Is this decision reversible?
  3. 3

    Compile intent to execution

    Generate semantic tasks, scoped agent briefs, and acceptance criteria tied to declared rules.

  4. 4

    Verify PRs against meaning

    Review changed behavior against relevant model boundaries, explain conflicts, and propose spec updates for approval when product reality changed.

Why this is different from docs + AI

Most tools store context or generate code, not both.

codemix keeps context authoritative and operational: a shared model with provenance, governance, and verification.

  • Shared model: features, flows, constraints, decisions
  • Provenance: where each claim came from
  • Governance: who can change meaning
  • Verification: PRs must satisfy intent

This is not documentation polish. It is build-time alignment.

Who gets value immediately

PMs

Explore changes without re-explaining the product on every handoff.

Engineers

Give agents clear intent instead of vague prompts.

Architects

Design against explicit constraints and compatibility rules with less drift.

Docs and support

Query current truth instead of stale pages.

Integrates with your stack, no migration required

Inputs

Notion, Confluence, Linear, Jira, support tools

Outputs

Linear/Jira/GitHub Issues, PR comments, agent briefs

Execution

Cursor, Claude Code, Codex, Copilot (agent-agnostic)

FAQ

Is this just docs with AI on top?

No. codemix does not stop at writing intent. It compiles and verifies intent against code changes.

Do we need perfect specs before using it?

No. codemix is built for progressive detail. Specify what matters now, then refine over time.

How does PR verification work without re-analyzing the entire codebase?

codemix is diff- and intent-slice aware. It checks changed behavior against relevant model boundaries.

What if implementation proves our intent was wrong?

codemix proposes an intent update for human approval, so model and code stay aligned.

Will this replace our existing tools?

No. codemix connects your tools and keeps their outputs behaviorally consistent.

Build the right thing, every time.

codemix gives agents and humans one authoritative product context.