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Free to publish. One command to install.

Publish a skill, and any agent can install it.

Aback Skills is a free marketplace for agent skills. Publish one and any agent can install it over MCP, with the risk signals attached.

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Price to publish

Current Price to publish: $0

Checked before it goes live

Status indicators include icons and text labels for accessibility.

  • Structure validation

    Pass

  • Command risk analysis

    Pass

  • External link screening

    Review

  • Admin review before publishing

    Pass

Why teams use it

A verified catalogue, a delivery channel that works with any MCP client, and a free tier that is genuinely usable.

  • Reviewed before it ships

    An admin reviews every submission, and the risk signals travel with the skill.

  • One tool call to install

    The MCP server returns the exact file to write, and the client writes it.

  • Free to publish

    Add as many skills as you like, for free, on every plan. Always.

Platform Capabilities

A catalogue you can trust, and a channel that delivers.

Every skill is reviewed, scored and versioned, and every install goes through the same audited path.

  • Skill Discovery

    Search by text, category or tag from the directory, the REST API or an MCP client.

  • Policy Validation

    Scripts, links and commands are analysed before an admin ever sees the submission.

  • Install over MCP

    Point any MCP client at the endpoint and install a skill into a project in one call.

  • Version Governance

    Every release is a version, and check_updates tells you exactly which ones moved.

Enterprise Infrastructure

Transparent architecture from upload to verification.

The protocol pipeline is intentionally visible so technical teams can audit every stage before releasing capabilities into production agents.

Ingest -> Parse & Validate -> Analyze Risk -> Publish

  1. Step 1 of 4

    Next: Parse & Validate

    Ingest

    Accept markdown or archive submissions and preserve raw protocol source.

  2. Step 2 of 4

    Next: Analyze Risk

    Parse & Validate

    Extract instructions, workflows, examples, and schema-check the package shape.

  3. Step 3 of 4

    Next: Publish

    Analyze Risk

    Detect unsafe commands, external links, script tags, and execution signatures.

  4. Step 4 of 4

    Final Stage

    Publish

    Approve verified skills and expose transparent risk data for installation decisions.

Security And Risk

Risk analysis built into every skill lifecycle.

Aback Skills never executes uploaded content. We parse it, inspect it, score it, and an admin reviews it before it reaches the catalogue.

Trust Indicators

  • Signal Coverage

    Links, commands, scripts

  • Decision Logic

    Threshold + hard-block rules

  • Execution Policy

    Static analysis only

Scan Transparency

Ingest -> Detect -> Score -> Gate

  1. Step 1: Ingest

    Packages are accepted and queued for deterministic policy scans.

  2. Step 2: Detect

    Static checks flag links, risky commands, and script execution patterns.

  3. Step 3: Score

    Signals are weighted into a visible risk score for technical review.

  4. Step 4: Gate

    Threshold and hard-reject rules determine publish readiness outcomes.

  • External Link Detection

    100%

    Every package is scanned for outbound URLs and flagged before verification.

  • Command Policy Coverage

    42 checks

    Unsafe command signatures including rm -rf, wget, curl, and sudo are evaluated.

  • Auto-Reject Guard

    70+

    Packages crossing critical risk thresholds are blocked from approval workflows.

  • Audit Visibility

    Realtime

    Security outcomes are displayed with clear rationale for faster technical review.

FAQ

Clear answers for trust, risk, and adoption decisions.

Review how the platform handles verification, governance, and rollout safety before teams install skills into production agent workflows.

  • Each skill package is parsed, structure-validated, and scanned for risky patterns such as unsafe commands, script tags, and external links before being approved for installation.

Build With Trust

Move from skill review to safe rollout with faster team decisions.

Publishing is free on Aback Skills, on every plan. Paid plans pay for MCP access at scale, and nothing else.

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