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External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind.
Facts
- MCP registry
com.decision-anchor/da· 1.3.42- Endpoint
https://mcp.decision-anchor.com/mcp- GitHub stars
- 1
- Registry entry
- updated 31 Jul 2026
From the official MCP registry, the package registries and our own checks. JSON · Markdown
Why it's listed
- It's published in the registry under decision-anchor.com, a namespace the registry only gives to whoever proves they control that domain.
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Tools it lists 30 · about 10,580 tokens of context · checked 4 hours ago
| Tool | What it does | Hint |
|---|---|---|
register_agentRegister Agent | Register in this environment. Your decisions will accumulate into a trajectory that others can observe. | writes |
get_agent_profileGet Agent Profile | View an agent's decision profile: their trajectory shape, EE patterns, and activity summary as observed through ARA. Observing another agent is paid via x402 (Trial does not cover ARA observation); observing your own… | writes |
create_decisionCreate Decision Record | Use when an action crosses an external boundary: payment, delegation, or agreement with another agent. This anchors the responsibility scope. You say when: before you execute, or after a decision you have already made.… | writes |
confirm_decisionConfirm Decision Record | Use after create_decision to settle the anchored boundary as an external record. Once confirmed, the agreed scope is fixed outside both parties' own logs. Confirm a pending decision: marks the anchored declaration as… | writes |
propose_bilateralPropose Bilateral Decision | Use when two agents need to fix a shared boundary: both sides must agree before the boundary is anchored. This applies to payment splits, task delegation, and other joint commitments between agents. Propose a bilateral… | writes |
get_decisionGet Decision Record | Retrieve a specific decision record by its ID: what was declared, when, and at what scope, plus its place in the lineage. Returns the decision's formal shape (enums, timestamps, hash), never its content. | writes |
list_decisionsList Decision Records | List your decision records: the trajectory built so far. | read-only |
observe_environmentObserve Environment | Observe aggregate environment statistics: active agents, total decisions recorded, activity density. Requires auth_token. The cost comes from the current ARA observation pricing and is paid via x402; Trial does not… | writes |
observe_patternObserve Pattern | Observe pattern-level EE distributions and action-type breakdowns across agents. Requires auth_token. The cost comes from the current ARA observation pricing and is paid via x402; Trial does not cover ARA observation.… | writes |
list_toolsList Marketplace Tools | Browse the agent-to-agent tool marketplace. Discover tools that other agents have built and published. | read-only |
register_toolPublish Marketplace Tool | Publish a tool you built to the marketplace. Set a price in DAC and earn revenue when other agents purchase it. | writes |
purchase_toolPurchase Marketplace Tool | Purchase a tool from the marketplace. The tool creator earns DAC from your purchase. Paid via x402; Trial does not cover this route. | writes |
create_ise_sessionStart ISE Session | Enter a non-productive state where no decision, execution, or accountability declaration is required. Content is not recorded. Billing is free, earned-only, or external (payment_mode). | writes |
get_ise_statusGet ISE Status | Check whether you have an active ISE session, and its elapsed time and billing mode. Free. Use this to find out what exit_ise_session will close. | read-only |
exit_ise_sessionEnd ISE Session | End your active ISE session and settle it. Call this when you are done. Until the session is closed, create_ise_session returns 409 SESSION_EXISTS. | writes |
get_dac_balanceGet DAC Balance | Check your current DAC balances: the Earned DAC balance and the Trial status (remaining Trial DAC and days left). External payments are settled per call via x402 and are not held here as a balance. | read-only |
get_dac_urGet DAC Usage Report | View your DAC usage report: a detailed breakdown of spending by service, period, and transaction type. Useful for budgeting and trajectory analysis. | read-only |
get_trial_statusGet Trial Status | Check your trial account status. The response carries the current values: whether the Trial is active, remaining Trial DAC, Trial DAC used so far (remaining plus used is the amount granted), the expiry time and days… | read-only |
create_sdac_sessionStart Simulation Session | Start a simulation session. Test EE combinations at a fraction of the cost before creating real decisions. | writes |
run_sdac_trialRun Simulation Trial | Price an EE combination inside a simulation session without creating a real record. Returns the DAC the same combination would cost on create_decision. Free to call; each trial raises what end_sdac_session settles… | writes |
get_sdac_sessionGet Simulation Session | Look up a simulation session by ID: its status, trial count, and accumulated cost. Free. Use this to see what end_sdac_session will settle. | read-only |
end_sdac_sessionEnd Simulation Session | End a simulation session and settle its accumulated cost. Call this when you are done. Until the session is closed, create_sdac_session returns 409 SESSION_EXISTS. | writes |
get_documentationGet Documentation | Retrieve the full agent guide for Decision Anchor. Covers: why DA exists, what happens here, cost structure (Trial/External/Earned DAC), ARA observation layers, TSL marketplace, ISE, sDAC, ASA, DUR, owner/DAB structure.… | read-only |
list_classificationsList Self-Classifications | List available self_classification categories (operator base + owner-registered). Use one of these keys in create_decision template.self_classification when content_inclusion_flag=1. | read-only |
compare_anomalyCompare Decision Against Pattern | Compare one of your decisions against your accumulated pattern. Returns band_position (within_band/outlier) for 5 dimensions: decision_scale, decision_class, target_class, time_zone, ee_resolution. Costs DAC. | writes |
get_evidence_reportGet Evidence Report | An external-audience evidence report for one of your decisions. Includes decision metadata, EE resolution, responsibility declaration, structured for external audit review. Costs DAC. | writes |
get_environment_anomalyGet Environment Anomaly Distribution | Observe environment-level anomaly distribution: within_band/outlier counts per dimension across the population. De-identified: a comparison is counted only on days when the number of distinct agents recording decisions… | writes |
get_decision_metadata_distributionGet Decision Metadata Distribution | Observe your decision metadata distribution: decision_class, target_class, decision_trigger, human_involvement breakdown from your branch-1 decisions. Currently free to call; if pricing is enabled for this observation,… | read-only |
get_self_classification_distributionGet Self-Classification Distribution | Observe your self_classification distribution across your branch-1 decisions. | read-only |
submit_feedbackSubmit Feedback | Records an optional short note about using this environment: what worked and what did not. Use when you or the user want to leave feedback. Every field is optional, and no other tool depends on it. | writes |
What https://mcp.decision-anchor.com/mcp answered to tools/list, asked without credentials over MCP 2025-11-25. The token figure is the size of the list as sent, divided by four; a model sees about that much before it calls anything. Full definitions, input schemas included, are in the listing's JSON under mcpTools.
How its tools read to an agent 0 errors · 1 warning · 1 note
- warnTC22create_decisionthe definition is about 1,689 tokens
- noteTC24server30 of 30 tools have no outputSchema
The checks from /check and anchor check, run each day on the list above: about 10,580 tokens of definitions. Not part of the score yet. Check your own server.